./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product36.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f082dd5-697e-4007-b380-7a4c7f534f23/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f082dd5-697e-4007-b380-7a4c7f534f23/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f082dd5-697e-4007-b380-7a4c7f534f23/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f082dd5-697e-4007-b380-7a4c7f534f23/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product36.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f082dd5-697e-4007-b380-7a4c7f534f23/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f082dd5-697e-4007-b380-7a4c7f534f23/bin/uautomizer-verify-LYvppIcaGC --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 cb82edc0720115a7daf634e8ab19e02bd974ec3bbe9487e9c9b9a9d3ab6ca10d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:28:06,202 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:28:06,314 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f082dd5-697e-4007-b380-7a4c7f534f23/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 01:28:06,322 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:28:06,323 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:28:06,352 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:28:06,353 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:28:06,353 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:28:06,354 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:28:06,354 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:28:06,355 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:28:06,355 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:28:06,356 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:28:06,356 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:28:06,356 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:28:06,356 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:28:06,356 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:28:06,356 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:28:06,356 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:28:06,356 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:28:06,357 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:28:06,357 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:28:06,357 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:28:06,357 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:28:06,357 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:28:06,357 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:28:06,357 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:28:06,357 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:28:06,357 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:28:06,357 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:28:06,357 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:28:06,357 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:28:06,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:28:06,358 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:28:06,358 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:28:06,358 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:28:06,358 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:28:06,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:28:06,358 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:28:06,358 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:28:06,358 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:28:06,358 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:28:06,359 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:28:06,359 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:28:06,359 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:28:06,360 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:28:06,360 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:28:06,360 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:28:06,360 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f082dd5-697e-4007-b380-7a4c7f534f23/bin/uautomizer-verify-LYvppIcaGC 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 -> cb82edc0720115a7daf634e8ab19e02bd974ec3bbe9487e9c9b9a9d3ab6ca10d [2024-11-24 01:28:06,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:28:06,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:28:06,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:28:06,682 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:28:06,683 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:28:06,684 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f082dd5-697e-4007-b380-7a4c7f534f23/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/product-lines/minepump_spec4_product36.cil.c [2024-11-24 01:28:09,607 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f082dd5-697e-4007-b380-7a4c7f534f23/bin/uautomizer-verify-LYvppIcaGC/data/496bf2997/c1a421e1c3db41f39ec59a1c7bfbe5ef/FLAG3b1b22d53 [2024-11-24 01:28:09,985 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:28:09,986 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f082dd5-697e-4007-b380-7a4c7f534f23/sv-benchmarks/c/product-lines/minepump_spec4_product36.cil.c [2024-11-24 01:28:10,017 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f082dd5-697e-4007-b380-7a4c7f534f23/bin/uautomizer-verify-LYvppIcaGC/data/496bf2997/c1a421e1c3db41f39ec59a1c7bfbe5ef/FLAG3b1b22d53 [2024-11-24 01:28:10,040 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f082dd5-697e-4007-b380-7a4c7f534f23/bin/uautomizer-verify-LYvppIcaGC/data/496bf2997/c1a421e1c3db41f39ec59a1c7bfbe5ef [2024-11-24 01:28:10,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:28:10,044 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:28:10,047 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:28:10,047 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:28:10,053 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:28:10,054 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:28:10" (1/1) ... [2024-11-24 01:28:10,058 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@672030ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:28:10, skipping insertion in model container [2024-11-24 01:28:10,058 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:28:10" (1/1) ... [2024-11-24 01:28:10,109 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:28:10,393 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f082dd5-697e-4007-b380-7a4c7f534f23/sv-benchmarks/c/product-lines/minepump_spec4_product36.cil.c[6627,6640] [2024-11-24 01:28:10,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:28:10,477 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:28:10,490 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2024-11-24 01:28:10,491 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [124] [2024-11-24 01:28:10,492 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [308] [2024-11-24 01:28:10,492 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [407] [2024-11-24 01:28:10,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [442] [2024-11-24 01:28:10,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [451] [2024-11-24 01:28:10,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [817] [2024-11-24 01:28:10,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [912] [2024-11-24 01:28:10,530 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f082dd5-697e-4007-b380-7a4c7f534f23/sv-benchmarks/c/product-lines/minepump_spec4_product36.cil.c[6627,6640] [2024-11-24 01:28:10,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:28:10,621 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:28:10,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:28:10 WrapperNode [2024-11-24 01:28:10,623 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:28:10,625 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:28:10,625 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:28:10,625 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:28:10,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:28:10" (1/1) ... [2024-11-24 01:28:10,646 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:28:10" (1/1) ... [2024-11-24 01:28:10,672 INFO L138 Inliner]: procedures = 54, calls = 96, calls flagged for inlining = 24, calls inlined = 20, statements flattened = 179 [2024-11-24 01:28:10,673 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:28:10,673 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:28:10,673 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:28:10,673 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:28:10,682 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:28:10" (1/1) ... [2024-11-24 01:28:10,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:28:10" (1/1) ... [2024-11-24 01:28:10,684 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:28:10" (1/1) ... [2024-11-24 01:28:10,696 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]. [2024-11-24 01:28:10,696 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:28:10" (1/1) ... [2024-11-24 01:28:10,697 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:28:10" (1/1) ... [2024-11-24 01:28:10,701 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:28:10" (1/1) ... [2024-11-24 01:28:10,702 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:28:10" (1/1) ... [2024-11-24 01:28:10,705 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:28:10" (1/1) ... [2024-11-24 01:28:10,707 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:28:10" (1/1) ... [2024-11-24 01:28:10,708 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:28:10" (1/1) ... [2024-11-24 01:28:10,709 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:28:10,710 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:28:10,711 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:28:10,711 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:28:10,712 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:28:10" (1/1) ... [2024-11-24 01:28:10,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:28:10,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f082dd5-697e-4007-b380-7a4c7f534f23/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:28:10,747 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f082dd5-697e-4007-b380-7a4c7f534f23/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:28:10,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f082dd5-697e-4007-b380-7a4c7f534f23/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:28:10,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:28:10,778 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-24 01:28:10,778 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-24 01:28:10,778 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-24 01:28:10,779 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-24 01:28:10,779 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-24 01:28:10,779 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-24 01:28:10,779 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-24 01:28:10,779 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-24 01:28:10,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:28:10,779 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-24 01:28:10,779 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-24 01:28:10,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:28:10,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:28:10,849 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:28:10,852 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:28:11,215 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2024-11-24 01:28:11,215 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:28:11,233 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:28:11,233 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-24 01:28:11,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:28:11 BoogieIcfgContainer [2024-11-24 01:28:11,234 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:28:11,238 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:28:11,238 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:28:11,244 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:28:11,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:28:10" (1/3) ... [2024-11-24 01:28:11,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eba419e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:28:11, skipping insertion in model container [2024-11-24 01:28:11,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:28:10" (2/3) ... [2024-11-24 01:28:11,247 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eba419e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:28:11, skipping insertion in model container [2024-11-24 01:28:11,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:28:11" (3/3) ... [2024-11-24 01:28:11,248 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product36.cil.c [2024-11-24 01:28:11,267 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:28:11,268 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec4_product36.cil.c that has 6 procedures, 73 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-24 01:28:11,342 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:28:11,359 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;@6122c338, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:28:11,360 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:28:11,364 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 58 states have (on average 1.4137931034482758) internal successors, (82), 64 states have internal predecessors, (82), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-24 01:28:11,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-24 01:28:11,374 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:11,375 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:11,375 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:11,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:11,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1163740891, now seen corresponding path program 1 times [2024-11-24 01:28:11,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:28:11,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878010288] [2024-11-24 01:28:11,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:11,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:28:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:11,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:28:11,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:28:11,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878010288] [2024-11-24 01:28:11,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878010288] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:28:11,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:28:11,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:28:11,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194160266] [2024-11-24 01:28:11,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:11,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:28:11,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:28:11,649 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:28:11,650 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:28:11,652 INFO L87 Difference]: Start difference. First operand has 73 states, 58 states have (on average 1.4137931034482758) internal successors, (82), 64 states have internal predecessors, (82), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:28:11,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:11,686 INFO L93 Difference]: Finished difference Result 138 states and 191 transitions. [2024-11-24 01:28:11,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:28:11,688 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-24 01:28:11,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:11,696 INFO L225 Difference]: With dead ends: 138 [2024-11-24 01:28:11,696 INFO L226 Difference]: Without dead ends: 64 [2024-11-24 01:28:11,700 INFO L434 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 [2024-11-24 01:28:11,703 INFO L435 NwaCegarLoop]: 92 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, 92 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 [2024-11-24 01:28:11,704 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:28:11,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-24 01:28:11,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-11-24 01:28:11,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 51 states have (on average 1.3333333333333333) internal successors, (68), 56 states have internal predecessors, (68), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-24 01:28:11,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 83 transitions. [2024-11-24 01:28:11,779 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 83 transitions. Word has length 19 [2024-11-24 01:28:11,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:11,780 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 83 transitions. [2024-11-24 01:28:11,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:28:11,781 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 83 transitions. [2024-11-24 01:28:11,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-24 01:28:11,783 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:11,783 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:11,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 01:28:11,783 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:11,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:11,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1938237205, now seen corresponding path program 1 times [2024-11-24 01:28:11,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:28:11,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117959347] [2024-11-24 01:28:11,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:11,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:28:11,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:11,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:28:11,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:28:11,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117959347] [2024-11-24 01:28:11,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117959347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:28:11,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:28:11,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:28:11,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899786023] [2024-11-24 01:28:11,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:11,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:28:11,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:28:11,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:28:11,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:28:11,925 INFO L87 Difference]: Start difference. First operand 64 states and 83 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:28:11,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:11,948 INFO L93 Difference]: Finished difference Result 91 states and 118 transitions. [2024-11-24 01:28:11,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:28:11,949 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-24 01:28:11,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:11,950 INFO L225 Difference]: With dead ends: 91 [2024-11-24 01:28:11,951 INFO L226 Difference]: Without dead ends: 56 [2024-11-24 01:28:11,951 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:28:11,953 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 18 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 121 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 [2024-11-24 01:28:11,954 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 121 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:28:11,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-24 01:28:11,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-11-24 01:28:11,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 51 states have internal predecessors, (62), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-24 01:28:11,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 72 transitions. [2024-11-24 01:28:11,966 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 72 transitions. Word has length 19 [2024-11-24 01:28:11,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:11,967 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 72 transitions. [2024-11-24 01:28:11,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:28:11,967 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2024-11-24 01:28:11,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-24 01:28:11,968 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:11,969 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:11,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:28:11,970 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:11,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:11,975 INFO L85 PathProgramCache]: Analyzing trace with hash -698286823, now seen corresponding path program 1 times [2024-11-24 01:28:11,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:28:11,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026083824] [2024-11-24 01:28:11,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:11,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:28:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:12,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:28:12,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:28:12,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026083824] [2024-11-24 01:28:12,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026083824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:28:12,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:28:12,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:28:12,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471222980] [2024-11-24 01:28:12,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:12,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:28:12,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:28:12,225 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:28:12,225 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:28:12,225 INFO L87 Difference]: Start difference. First operand 56 states and 72 transitions. Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:28:12,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:12,469 INFO L93 Difference]: Finished difference Result 186 states and 248 transitions. [2024-11-24 01:28:12,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:28:12,471 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2024-11-24 01:28:12,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:12,472 INFO L225 Difference]: With dead ends: 186 [2024-11-24 01:28:12,473 INFO L226 Difference]: Without dead ends: 137 [2024-11-24 01:28:12,473 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:28:12,476 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 158 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:28:12,477 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 301 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:28:12,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-11-24 01:28:12,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 127. [2024-11-24 01:28:12,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 102 states have (on average 1.392156862745098) internal successors, (142), 113 states have internal predecessors, (142), 13 states have call successors, (13), 11 states have call predecessors, (13), 11 states have return successors, (14), 11 states have call predecessors, (14), 13 states have call successors, (14) [2024-11-24 01:28:12,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 169 transitions. [2024-11-24 01:28:12,507 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 169 transitions. Word has length 24 [2024-11-24 01:28:12,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:12,507 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 169 transitions. [2024-11-24 01:28:12,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:28:12,508 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 169 transitions. [2024-11-24 01:28:12,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-24 01:28:12,509 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:12,509 INFO L218 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] [2024-11-24 01:28:12,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:28:12,509 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:12,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:12,509 INFO L85 PathProgramCache]: Analyzing trace with hash -590430602, now seen corresponding path program 1 times [2024-11-24 01:28:12,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:28:12,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051667261] [2024-11-24 01:28:12,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:12,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:28:12,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:12,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:28:12,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:28:12,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051667261] [2024-11-24 01:28:12,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051667261] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:28:12,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:28:12,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:28:12,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238370460] [2024-11-24 01:28:12,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:12,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:28:12,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:28:12,724 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:28:12,724 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:28:12,724 INFO L87 Difference]: Start difference. First operand 127 states and 169 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:28:12,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:12,837 INFO L93 Difference]: Finished difference Result 350 states and 488 transitions. [2024-11-24 01:28:12,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:28:12,838 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2024-11-24 01:28:12,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:12,841 INFO L225 Difference]: With dead ends: 350 [2024-11-24 01:28:12,841 INFO L226 Difference]: Without dead ends: 230 [2024-11-24 01:28:12,842 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:28:12,846 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 38 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:28:12,846 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 254 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:28:12,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-11-24 01:28:12,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 230. [2024-11-24 01:28:12,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 184 states have (on average 1.358695652173913) internal successors, (250), 202 states have internal predecessors, (250), 26 states have call successors, (26), 22 states have call predecessors, (26), 19 states have return successors, (32), 19 states have call predecessors, (32), 26 states have call successors, (32) [2024-11-24 01:28:12,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 308 transitions. [2024-11-24 01:28:12,893 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 308 transitions. Word has length 27 [2024-11-24 01:28:12,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:12,894 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 308 transitions. [2024-11-24 01:28:12,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:28:12,894 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 308 transitions. [2024-11-24 01:28:12,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-24 01:28:12,900 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:12,900 INFO L218 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] [2024-11-24 01:28:12,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:28:12,900 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:12,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:12,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1770818555, now seen corresponding path program 1 times [2024-11-24 01:28:12,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:28:12,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598486104] [2024-11-24 01:28:12,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:12,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:28:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:12,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:28:12,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:28:12,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598486104] [2024-11-24 01:28:12,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598486104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:28:12,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:28:12,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:28:12,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045173429] [2024-11-24 01:28:12,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:12,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:28:12,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:28:12,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:28:12,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:28:12,992 INFO L87 Difference]: Start difference. First operand 230 states and 308 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:28:13,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:13,096 INFO L93 Difference]: Finished difference Result 562 states and 773 transitions. [2024-11-24 01:28:13,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:28:13,098 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2024-11-24 01:28:13,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:13,105 INFO L225 Difference]: With dead ends: 562 [2024-11-24 01:28:13,105 INFO L226 Difference]: Without dead ends: 339 [2024-11-24 01:28:13,107 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:28:13,108 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 44 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:28:13,108 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 112 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:28:13,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-24 01:28:13,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 337. [2024-11-24 01:28:13,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 269 states have (on average 1.3234200743494424) internal successors, (356), 287 states have internal predecessors, (356), 36 states have call successors, (36), 36 states have call predecessors, (36), 31 states have return successors, (52), 31 states have call predecessors, (52), 36 states have call successors, (52) [2024-11-24 01:28:13,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 444 transitions. [2024-11-24 01:28:13,199 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 444 transitions. Word has length 29 [2024-11-24 01:28:13,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:13,199 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 444 transitions. [2024-11-24 01:28:13,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:28:13,200 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 444 transitions. [2024-11-24 01:28:13,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-24 01:28:13,204 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:13,204 INFO L218 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] [2024-11-24 01:28:13,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 01:28:13,205 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:13,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:13,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1324989916, now seen corresponding path program 1 times [2024-11-24 01:28:13,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:28:13,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829445347] [2024-11-24 01:28:13,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:13,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:28:13,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:13,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:28:13,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:28:13,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829445347] [2024-11-24 01:28:13,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829445347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:28:13,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:28:13,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:28:13,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035411339] [2024-11-24 01:28:13,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:13,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:28:13,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:28:13,400 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:28:13,400 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:28:13,400 INFO L87 Difference]: Start difference. First operand 337 states and 444 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2024-11-24 01:28:13,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:13,510 INFO L93 Difference]: Finished difference Result 339 states and 445 transitions. [2024-11-24 01:28:13,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:28:13,511 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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 31 [2024-11-24 01:28:13,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:13,514 INFO L225 Difference]: With dead ends: 339 [2024-11-24 01:28:13,514 INFO L226 Difference]: Without dead ends: 337 [2024-11-24 01:28:13,515 INFO L434 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 [2024-11-24 01:28:13,516 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 37 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:28:13,516 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 241 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:28:13,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-11-24 01:28:13,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 337. [2024-11-24 01:28:13,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 337 states, 269 states have (on average 1.312267657992565) internal successors, (353), 287 states have internal predecessors, (353), 36 states have call successors, (36), 36 states have call predecessors, (36), 31 states have return successors, (52), 31 states have call predecessors, (52), 36 states have call successors, (52) [2024-11-24 01:28:13,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 441 transitions. [2024-11-24 01:28:13,573 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 441 transitions. Word has length 31 [2024-11-24 01:28:13,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:13,575 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 441 transitions. [2024-11-24 01:28:13,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 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) [2024-11-24 01:28:13,575 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 441 transitions. [2024-11-24 01:28:13,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-24 01:28:13,581 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:13,581 INFO L218 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] [2024-11-24 01:28:13,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 01:28:13,581 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:13,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:13,582 INFO L85 PathProgramCache]: Analyzing trace with hash -773176731, now seen corresponding path program 1 times [2024-11-24 01:28:13,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:28:13,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213249798] [2024-11-24 01:28:13,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:13,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:28:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:13,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:28:13,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:28:13,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213249798] [2024-11-24 01:28:13,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213249798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:28:13,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:28:13,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:28:13,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830275621] [2024-11-24 01:28:13,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:13,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:28:13,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:28:13,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:28:13,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:28:13,724 INFO L87 Difference]: Start difference. First operand 337 states and 441 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:28:13,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:13,802 INFO L93 Difference]: Finished difference Result 679 states and 903 transitions. [2024-11-24 01:28:13,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:28:13,802 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (2), 1 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 37 [2024-11-24 01:28:13,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:13,806 INFO L225 Difference]: With dead ends: 679 [2024-11-24 01:28:13,806 INFO L226 Difference]: Without dead ends: 349 [2024-11-24 01:28:13,808 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:28:13,809 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 0 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:28:13,811 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 269 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:28:13,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2024-11-24 01:28:13,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2024-11-24 01:28:13,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 281 states have (on average 1.298932384341637) internal successors, (365), 299 states have internal predecessors, (365), 36 states have call successors, (36), 36 states have call predecessors, (36), 31 states have return successors, (52), 31 states have call predecessors, (52), 36 states have call successors, (52) [2024-11-24 01:28:13,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 453 transitions. [2024-11-24 01:28:13,870 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 453 transitions. Word has length 37 [2024-11-24 01:28:13,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:13,871 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 453 transitions. [2024-11-24 01:28:13,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:28:13,871 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 453 transitions. [2024-11-24 01:28:13,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-24 01:28:13,873 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:13,875 INFO L218 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] [2024-11-24 01:28:13,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 01:28:13,875 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:13,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:13,876 INFO L85 PathProgramCache]: Analyzing trace with hash -515011293, now seen corresponding path program 1 times [2024-11-24 01:28:13,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:28:13,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776400361] [2024-11-24 01:28:13,876 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:13,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:28:13,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:13,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:28:13,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:28:13,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776400361] [2024-11-24 01:28:13,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776400361] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:28:13,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:28:13,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:28:13,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55403211] [2024-11-24 01:28:13,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:13,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:28:13,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:28:13,989 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:28:13,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:28:13,990 INFO L87 Difference]: Start difference. First operand 349 states and 453 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:28:14,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:14,056 INFO L93 Difference]: Finished difference Result 636 states and 836 transitions. [2024-11-24 01:28:14,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:28:14,057 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (2), 1 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 37 [2024-11-24 01:28:14,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:14,060 INFO L225 Difference]: With dead ends: 636 [2024-11-24 01:28:14,060 INFO L226 Difference]: Without dead ends: 294 [2024-11-24 01:28:14,062 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:28:14,063 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 0 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:28:14,063 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 204 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:28:14,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-11-24 01:28:14,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2024-11-24 01:28:14,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 236 states have (on average 1.2838983050847457) internal successors, (303), 252 states have internal predecessors, (303), 30 states have call successors, (30), 30 states have call predecessors, (30), 27 states have return successors, (37), 27 states have call predecessors, (37), 30 states have call successors, (37) [2024-11-24 01:28:14,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 370 transitions. [2024-11-24 01:28:14,116 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 370 transitions. Word has length 37 [2024-11-24 01:28:14,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:14,116 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 370 transitions. [2024-11-24 01:28:14,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:28:14,116 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 370 transitions. [2024-11-24 01:28:14,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-24 01:28:14,122 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:14,122 INFO L218 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] [2024-11-24 01:28:14,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 01:28:14,123 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:14,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:14,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1526128543, now seen corresponding path program 1 times [2024-11-24 01:28:14,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:28:14,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327409336] [2024-11-24 01:28:14,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:14,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:28:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:14,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:28:14,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:28:14,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327409336] [2024-11-24 01:28:14,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327409336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:28:14,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:28:14,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:28:14,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076530183] [2024-11-24 01:28:14,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:28:14,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:28:14,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:28:14,333 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:28:14,333 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:28:14,334 INFO L87 Difference]: Start difference. First operand 294 states and 370 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:28:14,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:14,465 INFO L93 Difference]: Finished difference Result 638 states and 861 transitions. [2024-11-24 01:28:14,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:28:14,466 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (2), 1 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 37 [2024-11-24 01:28:14,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:14,471 INFO L225 Difference]: With dead ends: 638 [2024-11-24 01:28:14,471 INFO L226 Difference]: Without dead ends: 446 [2024-11-24 01:28:14,474 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:28:14,474 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 43 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:28:14,475 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 396 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:28:14,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2024-11-24 01:28:14,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 446. [2024-11-24 01:28:14,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 354 states have (on average 1.271186440677966) internal successors, (450), 378 states have internal predecessors, (450), 47 states have call successors, (47), 47 states have call predecessors, (47), 44 states have return successors, (76), 44 states have call predecessors, (76), 47 states have call successors, (76) [2024-11-24 01:28:14,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 573 transitions. [2024-11-24 01:28:14,533 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 573 transitions. Word has length 37 [2024-11-24 01:28:14,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:14,534 INFO L471 AbstractCegarLoop]: Abstraction has 446 states and 573 transitions. [2024-11-24 01:28:14,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:28:14,534 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 573 transitions. [2024-11-24 01:28:14,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-24 01:28:14,537 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:14,538 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:14,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 01:28:14,538 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:14,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:14,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1701819781, now seen corresponding path program 1 times [2024-11-24 01:28:14,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:28:14,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253790100] [2024-11-24 01:28:14,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:14,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:28:14,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:14,771 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:28:14,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:28:14,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253790100] [2024-11-24 01:28:14,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253790100] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:28:14,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [59904626] [2024-11-24 01:28:14,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:28:14,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:28:14,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f082dd5-697e-4007-b380-7a4c7f534f23/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:28:14,777 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f082dd5-697e-4007-b380-7a4c7f534f23/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:28:14,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f082dd5-697e-4007-b380-7a4c7f534f23/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:28:14,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:28:14,896 INFO L256 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 01:28:14,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:28:15,042 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:28:15,044 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:28:15,225 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:28:15,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [59904626] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:28:15,225 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:28:15,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 6 [2024-11-24 01:28:15,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995976532] [2024-11-24 01:28:15,225 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:28:15,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:28:15,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:28:15,226 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:28:15,226 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:28:15,227 INFO L87 Difference]: Start difference. First operand 446 states and 573 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-24 01:28:15,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:28:15,419 INFO L93 Difference]: Finished difference Result 1040 states and 1414 transitions. [2024-11-24 01:28:15,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 01:28:15,422 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 61 [2024-11-24 01:28:15,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:28:15,429 INFO L225 Difference]: With dead ends: 1040 [2024-11-24 01:28:15,429 INFO L226 Difference]: Without dead ends: 696 [2024-11-24 01:28:15,431 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 118 SyntacticMatches, 5 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:28:15,432 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 78 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:28:15,432 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 414 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:28:15,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2024-11-24 01:28:15,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 614. [2024-11-24 01:28:15,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 484 states have (on average 1.2768595041322315) internal successors, (618), 518 states have internal predecessors, (618), 66 states have call successors, (66), 66 states have call predecessors, (66), 63 states have return successors, (115), 58 states have call predecessors, (115), 66 states have call successors, (115) [2024-11-24 01:28:15,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 799 transitions. [2024-11-24 01:28:15,495 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 799 transitions. Word has length 61 [2024-11-24 01:28:15,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:28:15,495 INFO L471 AbstractCegarLoop]: Abstraction has 614 states and 799 transitions. [2024-11-24 01:28:15,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-24 01:28:15,495 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 799 transitions. [2024-11-24 01:28:15,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-24 01:28:15,497 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:28:15,497 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:15,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f082dd5-697e-4007-b380-7a4c7f534f23/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 01:28:15,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f082dd5-697e-4007-b380-7a4c7f534f23/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-24 01:28:15,698 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:28:15,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:28:15,699 INFO L85 PathProgramCache]: Analyzing trace with hash -2022564183, now seen corresponding path program 2 times [2024-11-24 01:28:15,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:28:15,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283831343] [2024-11-24 01:28:15,699 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 01:28:15,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:28:15,732 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-24 01:28:15,732 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-24 01:28:15,732 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:28:15,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:28:15,783 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 01:28:15,783 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 01:28:15,785 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 01:28:15,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-24 01:28:15,789 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:28:15,885 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:28:15,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:28:15 BoogieIcfgContainer [2024-11-24 01:28:15,895 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:28:15,896 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:28:15,896 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:28:15,896 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:28:15,900 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:28:11" (3/4) ... [2024-11-24 01:28:15,901 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-24 01:28:16,012 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 77. [2024-11-24 01:28:16,137 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f082dd5-697e-4007-b380-7a4c7f534f23/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 01:28:16,137 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f082dd5-697e-4007-b380-7a4c7f534f23/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 01:28:16,137 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:28:16,138 INFO L158 Benchmark]: Toolchain (without parser) took 6094.26ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.4MB in the beginning and 263.1MB in the end (delta: -169.7MB). Peak memory consumption was 65.2MB. Max. memory is 16.1GB. [2024-11-24 01:28:16,140 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:28:16,140 INFO L158 Benchmark]: CACSL2BoogieTranslator took 577.42ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 75.0MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:28:16,140 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.19ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 73.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:28:16,142 INFO L158 Benchmark]: Boogie Preprocessor took 36.45ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 71.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:28:16,142 INFO L158 Benchmark]: RCFGBuilder took 523.27ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 55.9MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:28:16,143 INFO L158 Benchmark]: TraceAbstraction took 4657.85ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 55.6MB in the beginning and 274.6MB in the end (delta: -219.0MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2024-11-24 01:28:16,143 INFO L158 Benchmark]: Witness Printer took 240.98ms. Allocated memory is still 352.3MB. Free memory was 274.6MB in the beginning and 263.1MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:28:16,147 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 167.8MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 577.42ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 75.0MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.19ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 73.2MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.45ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 71.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 523.27ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 55.9MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4657.85ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 55.6MB in the beginning and 274.6MB in the end (delta: -219.0MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * Witness Printer took 240.98ms. Allocated memory is still 352.3MB. Free memory was 274.6MB in the beginning and 263.1MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. 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,"scenario.i","") [49] - GenericResultAtLocation [Line: 124]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [124] - GenericResultAtLocation [Line: 308]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [308] - GenericResultAtLocation [Line: 407]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [407] - GenericResultAtLocation [Line: 442]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [442] - GenericResultAtLocation [Line: 451]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [451] - GenericResultAtLocation [Line: 817]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [817] - GenericResultAtLocation [Line: 912]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [912] * 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: 447]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L133] int pumpRunning = 0; [L134] int systemActive = 1; [L309] int cleanupTimeShifts = 4; [L621] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L819] int waterLevel = 1; [L820] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L385] int retValue_acc ; [L386] int tmp ; [L390] FCALL select_helpers() [L391] FCALL select_features() [L392] CALL, EXPR valid_product() [L434] int retValue_acc ; [L437] retValue_acc = 1 [L438] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L392] RET, EXPR valid_product() [L392] tmp = valid_product() [L394] COND TRUE \read(tmp) [L396] FCALL setup() [L397] CALL runTest() [L376] CALL test() [L57] int splverifierCounter ; [L58] int tmp ; [L59] int tmp___0 ; [L60] int tmp___1 ; [L61] int tmp___2 ; [L64] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L68] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L74] tmp = __VERIFIER_nondet_int() [L76] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L78] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L837] COND TRUE waterLevel < 2 [L838] waterLevel = waterLevel + 1 VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L78] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L84] tmp___0 = __VERIFIER_nondet_int() [L86] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L94] tmp___2 = __VERIFIER_nondet_int() [L96] COND FALSE !(\read(tmp___2)) [L102] tmp___1 = __VERIFIER_nondet_int() [L104] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2] [L113] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L141] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L148] COND TRUE \read(systemActive) [L150] CALL processEnvironment() [L170] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L173] COND TRUE ! pumpRunning [L175] CALL, EXPR isHighWaterLevel() [L267] int retValue_acc ; [L268] int tmp ; [L269] int tmp___0 ; [L273] CALL, EXPR isHighWaterSensorDry() [L899] int retValue_acc ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L902] COND FALSE !(waterLevel < 2) [L906] retValue_acc = 0 [L907] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L273] RET, EXPR isHighWaterSensorDry() [L273] tmp = isHighWaterSensorDry() [L275] COND FALSE !(\read(tmp)) [L278] tmp___0 = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp___0=1, waterLevel=2] [L280] retValue_acc = tmp___0 [L281] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L175] RET, EXPR isHighWaterLevel() [L175] tmp = isHighWaterLevel() [L177] COND TRUE \read(tmp) [L179] CALL activatePump() [L198] pumpRunning = 1 VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L179] RET activatePump() [L150] RET processEnvironment() [L156] CALL __utac_acc__Specification4_spec__1() [L914] int tmp ; [L915] int tmp___0 ; [L919] CALL, EXPR getWaterLevel() [L890] int retValue_acc ; [L893] retValue_acc = waterLevel [L894] return (retValue_acc); VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L919] RET, EXPR getWaterLevel() [L919] tmp = getWaterLevel() [L921] COND FALSE !(tmp == 0) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L156] RET __utac_acc__Specification4_spec__1() [L113] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=2] [L68] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=2] [L74] tmp = __VERIFIER_nondet_int() [L76] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=2] [L84] tmp___0 = __VERIFIER_nondet_int() [L86] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=2] [L94] tmp___2 = __VERIFIER_nondet_int() [L96] COND FALSE !(\read(tmp___2)) [L102] tmp___1 = __VERIFIER_nondet_int() [L104] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=2] [L113] CALL timeShift() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L141] COND TRUE \read(pumpRunning) [L143] CALL lowerWaterLevel() [L825] COND TRUE waterLevel > 0 [L826] waterLevel = waterLevel - 1 VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L143] RET lowerWaterLevel() [L148] COND TRUE \read(systemActive) [L150] CALL processEnvironment() [L170] int tmp ; VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L173] COND FALSE !(! pumpRunning) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L188] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L150] RET processEnvironment() [L156] CALL __utac_acc__Specification4_spec__1() [L914] int tmp ; [L915] int tmp___0 ; [L919] CALL, EXPR getWaterLevel() [L890] int retValue_acc ; [L893] retValue_acc = waterLevel [L894] return (retValue_acc); VAL [\old(pumpRunning)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L919] RET, EXPR getWaterLevel() [L919] tmp = getWaterLevel() [L921] COND FALSE !(tmp == 0) VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L156] RET __utac_acc__Specification4_spec__1() [L113] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=1] [L68] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=1] [L74] tmp = __VERIFIER_nondet_int() [L76] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=1] [L84] tmp___0 = __VERIFIER_nondet_int() [L86] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=1] [L94] tmp___2 = __VERIFIER_nondet_int() [L96] COND FALSE !(\read(tmp___2)) [L102] tmp___1 = __VERIFIER_nondet_int() [L104] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=1] [L113] CALL timeShift() VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L141] COND TRUE \read(pumpRunning) [L143] CALL lowerWaterLevel() [L825] COND TRUE waterLevel > 0 [L826] waterLevel = waterLevel - 1 VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L143] RET lowerWaterLevel() [L148] COND TRUE \read(systemActive) [L150] CALL processEnvironment() [L170] int tmp ; VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L173] COND FALSE !(! pumpRunning) VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L188] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L150] RET processEnvironment() [L156] CALL __utac_acc__Specification4_spec__1() [L914] int tmp ; [L915] int tmp___0 ; [L919] CALL, EXPR getWaterLevel() [L890] int retValue_acc ; [L893] retValue_acc = waterLevel [L894] return (retValue_acc); VAL [\old(pumpRunning)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L919] RET, EXPR getWaterLevel() [L919] tmp = getWaterLevel() [L921] COND TRUE tmp == 0 [L923] CALL, EXPR isPumpRunning() [L222] int retValue_acc ; [L225] retValue_acc = pumpRunning [L226] return (retValue_acc); VAL [\old(pumpRunning)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L923] RET, EXPR isPumpRunning() [L923] tmp___0 = isPumpRunning() [L925] COND TRUE \read(tmp___0) [L927] CALL __automaton_fail() [L447] reach_error() VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.5s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 419 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 416 mSDsluCounter, 2404 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1602 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 229 IncrementalHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 802 mSDtfsCounter, 229 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 177 GetRequests, 136 SyntacticMatches, 5 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=614occurred in iteration=10, InterpolantAutomatonStates: 46, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 94 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 467 NumberOfCodeBlocks, 467 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 431 ConstructedInterpolants, 0 QuantifiedInterpolants, 841 SizeOfPredicates, 2 NumberOfNonLiveVariables, 233 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 36/48 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-24 01:28:16,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f082dd5-697e-4007-b380-7a4c7f534f23/bin/uautomizer-verify-LYvppIcaGC/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