./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i --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_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/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_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/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_792df4db-cab9-4861-9d2b-9921d6bfdfaf/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 f035a0122bb8479800c2d26320f8fd4e217fb16ba8ab6223925657fc49ea1993 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:22:18,803 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:22:18,879 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 18:22:18,885 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:22:18,885 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:22:18,916 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:22:18,916 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:22:18,917 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:22:18,917 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:22:18,917 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:22:18,918 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:22:18,918 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:22:18,918 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:22:18,918 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:22:18,918 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:22:18,919 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:22:18,919 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:22:18,919 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 18:22:18,919 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 18:22:18,920 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 18:22:18,920 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:22:18,920 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:22:18,920 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:22:18,920 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:22:18,920 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 18:22:18,920 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:22:18,920 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:22:18,920 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:22:18,920 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:22:18,921 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:22:18,921 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:22:18,921 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:22:18,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:22:18,921 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:22:18,921 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:22:18,921 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:22:18,921 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:22:18,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:22:18,922 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:22:18,922 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:22:18,922 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:22:18,922 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:22:18,922 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 18:22:18,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 18:22:18,922 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:22:18,922 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:22:18,922 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:22:18,924 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:22:18,924 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_792df4db-cab9-4861-9d2b-9921d6bfdfaf/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 -> f035a0122bb8479800c2d26320f8fd4e217fb16ba8ab6223925657fc49ea1993 [2024-11-23 18:22:19,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:22:19,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:22:19,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:22:19,241 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:22:19,241 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:22:19,242 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i [2024-11-23 18:22:22,324 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/data/796fd3553/0d7d52f1f5e34a6985c9a471a8c57172/FLAGa2b5afbd6 [2024-11-23 18:22:22,594 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:22:22,594 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i [2024-11-23 18:22:22,603 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/data/796fd3553/0d7d52f1f5e34a6985c9a471a8c57172/FLAGa2b5afbd6 [2024-11-23 18:22:22,888 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/data/796fd3553/0d7d52f1f5e34a6985c9a471a8c57172 [2024-11-23 18:22:22,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:22:22,892 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:22:22,893 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:22:22,894 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:22:22,898 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:22:22,899 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:22:22" (1/1) ... [2024-11-23 18:22:22,900 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66035ae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:22, skipping insertion in model container [2024-11-23 18:22:22,900 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:22:22" (1/1) ... [2024-11-23 18:22:22,917 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:22:23,064 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_792df4db-cab9-4861-9d2b-9921d6bfdfaf/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i[915,928] [2024-11-23 18:22:23,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:22:23,118 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:22:23,131 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_792df4db-cab9-4861-9d2b-9921d6bfdfaf/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i[915,928] [2024-11-23 18:22:23,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:22:23,176 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:22:23,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:23 WrapperNode [2024-11-23 18:22:23,177 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:22:23,178 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:22:23,178 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:22:23,179 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:22:23,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:23" (1/1) ... [2024-11-23 18:22:23,197 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:23" (1/1) ... [2024-11-23 18:22:23,227 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 111 [2024-11-23 18:22:23,227 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:22:23,228 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:22:23,228 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:22:23,228 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:22:23,238 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:23" (1/1) ... [2024-11-23 18:22:23,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:23" (1/1) ... [2024-11-23 18:22:23,240 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:23" (1/1) ... [2024-11-23 18:22:23,252 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]. [2024-11-23 18:22:23,252 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:23" (1/1) ... [2024-11-23 18:22:23,253 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:23" (1/1) ... [2024-11-23 18:22:23,258 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:23" (1/1) ... [2024-11-23 18:22:23,259 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:23" (1/1) ... [2024-11-23 18:22:23,262 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:23" (1/1) ... [2024-11-23 18:22:23,264 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:23" (1/1) ... [2024-11-23 18:22:23,265 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:23" (1/1) ... [2024-11-23 18:22:23,267 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:22:23,267 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:22:23,268 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:22:23,268 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:22:23,269 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:23" (1/1) ... [2024-11-23 18:22:23,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:22:23,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:22:23,306 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:22:23,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:22:23,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:22:23,337 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 18:22:23,337 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 18:22:23,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 18:22:23,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:22:23,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:22:23,404 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:22:23,406 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:22:23,688 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-23 18:22:23,689 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:22:23,700 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:22:23,701 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-23 18:22:23,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:22:23 BoogieIcfgContainer [2024-11-23 18:22:23,701 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:22:23,705 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:22:23,705 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:22:23,710 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:22:23,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:22:22" (1/3) ... [2024-11-23 18:22:23,711 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@590f753b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:22:23, skipping insertion in model container [2024-11-23 18:22:23,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:23" (2/3) ... [2024-11-23 18:22:23,712 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@590f753b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:22:23, skipping insertion in model container [2024-11-23 18:22:23,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:22:23" (3/3) ... [2024-11-23 18:22:23,713 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-88.i [2024-11-23 18:22:23,731 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:22:23,733 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-88.i that has 2 procedures, 49 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 18:22:23,798 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:22:23,813 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;@6b73536c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:22:23,813 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 18:22:23,818 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 36 states have internal predecessors, (48), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 18:22:23,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-23 18:22:23,828 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:22:23,829 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:22:23,830 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:22:23,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:22:23,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1003270133, now seen corresponding path program 1 times [2024-11-23 18:22:23,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:22:23,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711571613] [2024-11-23 18:22:23,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:22:23,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:22:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:22:24,151 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-23 18:22:24,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 18:22:24,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711571613] [2024-11-23 18:22:24,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711571613] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:22:24,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [246704160] [2024-11-23 18:22:24,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:22:24,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:22:24,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:22:24,155 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:22:24,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 18:22:24,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:22:24,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 18:22:24,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:22:24,361 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-23 18:22:24,364 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:22:24,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [246704160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:22:24,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:22:24,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-23 18:22:24,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343530343] [2024-11-23 18:22:24,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:22:24,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 18:22:24,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 18:22:24,391 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 18:22:24,391 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:22:24,394 INFO L87 Difference]: Start difference. First operand has 49 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 36 states have internal predecessors, (48), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 18:22:24,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:22:24,413 INFO L93 Difference]: Finished difference Result 95 states and 148 transitions. [2024-11-23 18:22:24,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 18:22:24,415 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 77 [2024-11-23 18:22:24,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:22:24,421 INFO L225 Difference]: With dead ends: 95 [2024-11-23 18:22:24,421 INFO L226 Difference]: Without dead ends: 45 [2024-11-23 18:22:24,424 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:22:24,427 INFO L435 NwaCegarLoop]: 67 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, 67 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 [2024-11-23 18:22:24,427 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:22:24,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-23 18:22:24,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-11-23 18:22:24,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 32 states have (on average 1.28125) internal successors, (41), 32 states have internal predecessors, (41), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 18:22:24,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 63 transitions. [2024-11-23 18:22:24,462 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 63 transitions. Word has length 77 [2024-11-23 18:22:24,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:22:24,463 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 63 transitions. [2024-11-23 18:22:24,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 18:22:24,463 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2024-11-23 18:22:24,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-23 18:22:24,466 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:22:24,466 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:22:24,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 18:22:24,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 18:22:24,667 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:22:24,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:22:24,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1265086669, now seen corresponding path program 1 times [2024-11-23 18:22:24,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:22:24,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780506907] [2024-11-23 18:22:24,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:22:24,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:22:24,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:22:24,796 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 18:22:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:22:24,883 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 18:22:24,883 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 18:22:24,884 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 18:22:24,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 18:22:24,889 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-23 18:22:24,976 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 18:22:24,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:22:24 BoogieIcfgContainer [2024-11-23 18:22:24,979 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 18:22:24,980 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 18:22:24,980 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 18:22:24,980 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 18:22:24,981 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:22:23" (3/4) ... [2024-11-23 18:22:24,983 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 18:22:24,984 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 18:22:24,985 INFO L158 Benchmark]: Toolchain (without parser) took 2093.24ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 63.5MB in the end (delta: 29.2MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2024-11-23 18:22:24,985 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:22:24,986 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.30ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 80.4MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:22:24,986 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.96ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 78.6MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:22:24,986 INFO L158 Benchmark]: Boogie Preprocessor took 39.19ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 76.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:22:24,987 INFO L158 Benchmark]: RCFGBuilder took 434.07ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 62.1MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 18:22:24,987 INFO L158 Benchmark]: TraceAbstraction took 1274.73ms. Allocated memory is still 117.4MB. Free memory was 61.3MB in the beginning and 63.5MB in the end (delta: -2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:22:24,987 INFO L158 Benchmark]: Witness Printer took 4.30ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 63.5MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:22:24,989 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.30ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 80.4MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.96ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 78.6MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.19ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 76.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 434.07ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 62.1MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1274.73ms. Allocated memory is still 117.4MB. Free memory was 61.3MB in the beginning and 63.5MB in the end (delta: -2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.30ms. Allocated memory is still 117.4MB. Free memory was 63.5MB in the beginning and 63.5MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. * 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 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 40, overapproximation of someBinaryFLOATComparisonOperation at line 72, overapproximation of someBinaryFLOATComparisonOperation at line 80. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -8; [L23] signed char var_1_10 = -64; [L24] unsigned char var_1_11 = 0; [L25] unsigned char var_1_12 = 0; [L26] unsigned char var_1_13 = 1; [L27] unsigned char var_1_14 = 0; [L28] unsigned char var_1_15 = 0; [L29] signed long int var_1_16 = -16; [L30] float var_1_17 = 3.5; [L31] float var_1_18 = 128.45; [L32] unsigned long int var_1_19 = 50; [L33] unsigned long int var_1_20 = 25; VAL [isInitial=0, var_1_10=-64, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L84] isInitial = 1 [L85] FCALL initially() [L86] int k_loop; [L87] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=-64, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L87] COND TRUE k_loop < 1 VAL [isInitial=1, k_loop=0, var_1_10=-64, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L88] FCALL updateLastVariables() [L89] CALL updateVariables() [L59] var_1_10 = __VERIFIER_nondet_char() [L60] CALL assume_abort_if_not(var_1_10 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L60] RET assume_abort_if_not(var_1_10 >= -127) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L61] CALL assume_abort_if_not(var_1_10 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L61] RET assume_abort_if_not(var_1_10 <= 126) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L62] var_1_12 = __VERIFIER_nondet_uchar() [L63] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L63] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L64] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L64] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L65] var_1_14 = __VERIFIER_nondet_uchar() [L66] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L66] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L67] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L67] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L68] var_1_15 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L69] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L70] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L70] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L71] var_1_18 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=25] [L72] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=25] [L73] var_1_20 = __VERIFIER_nondet_ulong() [L74] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8] [L74] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8] [L75] CALL assume_abort_if_not(var_1_20 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=4294967294] [L75] RET assume_abort_if_not(var_1_20 <= 4294967294) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=4294967294] [L89] RET updateVariables() [L90] CALL step() [L37] var_1_13 = (var_1_14 && var_1_15) [L38] var_1_17 = var_1_18 [L39] var_1_19 = var_1_20 VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=4294967299, var_1_18=4294967299, var_1_19=4294967294, var_1_1=-8, var_1_20=4294967294] [L40] COND TRUE (- (var_1_17 + var_1_17)) > var_1_17 [L41] var_1_11 = var_1_12 VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=4294967299, var_1_18=4294967299, var_1_19=4294967294, var_1_1=-8, var_1_20=4294967294] [L43] var_1_16 = var_1_19 VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2, var_1_17=4294967299, var_1_18=4294967299, var_1_19=4294967294, var_1_1=-8, var_1_20=4294967294] [L44] EXPR var_1_16 | var_1_19 VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2, var_1_17=4294967299, var_1_18=4294967299, var_1_19=4294967294, var_1_1=-8, var_1_20=4294967294] [L44] COND FALSE !(((var_1_16 | var_1_19) > var_1_16) && var_1_11) [L55] var_1_1 = var_1_10 VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2, var_1_17=4294967299, var_1_18=4294967299, var_1_19=4294967294, var_1_1=126, var_1_20=4294967294] [L90] RET step() [L91] CALL, EXPR property() [L80] EXPR var_1_16 | var_1_19 VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2, var_1_17=4294967299, var_1_18=4294967299, var_1_19=4294967294, var_1_1=126, var_1_20=4294967294] [L80-L81] return ((((((((var_1_16 | var_1_19) > var_1_16) && var_1_11) ? (((var_1_19 != -16) && (var_1_17 <= (var_1_17 + var_1_17))) ? ((var_1_17 > var_1_17) ? (var_1_1 == ((signed char) var_1_10)) : (var_1_1 == ((signed char) var_1_10))) : (var_1_1 == ((signed char) var_1_10))) : (var_1_1 == ((signed char) var_1_10))) && (((- (var_1_17 + var_1_17)) > var_1_17) ? (var_1_11 == ((unsigned char) var_1_12)) : 1)) && (var_1_13 == ((unsigned char) (var_1_14 && var_1_15)))) && (var_1_16 == ((signed long int) var_1_19))) && (var_1_17 == ((float) var_1_18))) && (var_1_19 == ((unsigned long int) var_1_20)) ; [L91] RET, EXPR property() [L91] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2, var_1_17=4294967299, var_1_18=4294967299, var_1_19=4294967294, var_1_1=126, var_1_20=4294967294] [L19] reach_error() VAL [isInitial=1, var_1_10=126, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2, var_1_17=4294967299, var_1_18=4294967299, var_1_19=4294967294, var_1_1=126, var_1_20=4294967294] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 67 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 67 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 231 NumberOfCodeBlocks, 231 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 152 ConstructedInterpolants, 0 QuantifiedInterpolants, 152 SizeOfPredicates, 0 NumberOfNonLiveVariables, 193 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 420/440 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 could not prove your program: unable to determine feasibility of some traces [2024-11-23 18:22:25,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/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_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/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 f035a0122bb8479800c2d26320f8fd4e217fb16ba8ab6223925657fc49ea1993 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:22:27,623 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:22:27,721 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-23 18:22:27,735 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:22:27,742 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:22:27,789 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:22:27,791 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:22:27,791 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:22:27,792 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:22:27,792 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:22:27,793 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:22:27,793 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:22:27,794 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:22:27,794 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:22:27,794 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:22:27,794 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:22:27,794 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:22:27,794 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 18:22:27,794 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 18:22:27,795 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:22:27,795 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:22:27,795 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:22:27,795 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:22:27,795 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 18:22:27,795 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 18:22:27,795 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 18:22:27,795 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 18:22:27,795 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:22:27,795 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:22:27,797 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:22:27,797 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:22:27,797 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:22:27,797 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:22:27,798 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:22:27,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:22:27,798 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:22:27,798 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:22:27,798 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:22:27,798 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:22:27,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:22:27,798 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:22:27,799 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:22:27,799 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:22:27,799 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:22:27,799 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 18:22:27,799 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 18:22:27,799 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:22:27,799 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:22:27,800 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:22:27,800 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:22:27,800 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_792df4db-cab9-4861-9d2b-9921d6bfdfaf/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 -> f035a0122bb8479800c2d26320f8fd4e217fb16ba8ab6223925657fc49ea1993 [2024-11-23 18:22:28,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:22:28,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:22:28,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:22:28,144 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:22:28,144 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:22:28,147 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i [2024-11-23 18:22:31,179 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/data/f9677e8ea/bb1321881afd4e5c80872f9279a6df17/FLAGdf1760dd4 [2024-11-23 18:22:31,463 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:22:31,464 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i [2024-11-23 18:22:31,473 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/data/f9677e8ea/bb1321881afd4e5c80872f9279a6df17/FLAGdf1760dd4 [2024-11-23 18:22:31,503 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/data/f9677e8ea/bb1321881afd4e5c80872f9279a6df17 [2024-11-23 18:22:31,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:22:31,507 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:22:31,513 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:22:31,513 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:22:31,518 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:22:31,519 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:22:31" (1/1) ... [2024-11-23 18:22:31,521 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@114d4331 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:31, skipping insertion in model container [2024-11-23 18:22:31,524 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:22:31" (1/1) ... [2024-11-23 18:22:31,549 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:22:31,748 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_792df4db-cab9-4861-9d2b-9921d6bfdfaf/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i[915,928] [2024-11-23 18:22:31,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:22:31,833 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:22:31,848 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_792df4db-cab9-4861-9d2b-9921d6bfdfaf/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-88.i[915,928] [2024-11-23 18:22:31,879 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:22:31,903 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:22:31,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:31 WrapperNode [2024-11-23 18:22:31,904 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:22:31,905 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:22:31,905 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:22:31,906 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:22:31,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:31" (1/1) ... [2024-11-23 18:22:31,930 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:31" (1/1) ... [2024-11-23 18:22:31,958 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 92 [2024-11-23 18:22:31,959 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:22:31,962 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:22:31,962 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:22:31,963 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:22:31,973 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:31" (1/1) ... [2024-11-23 18:22:31,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:31" (1/1) ... [2024-11-23 18:22:31,980 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:31" (1/1) ... [2024-11-23 18:22:31,998 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]. [2024-11-23 18:22:31,998 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:31" (1/1) ... [2024-11-23 18:22:31,999 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:31" (1/1) ... [2024-11-23 18:22:32,013 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:31" (1/1) ... [2024-11-23 18:22:32,014 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:31" (1/1) ... [2024-11-23 18:22:32,021 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:31" (1/1) ... [2024-11-23 18:22:32,022 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:31" (1/1) ... [2024-11-23 18:22:32,023 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:31" (1/1) ... [2024-11-23 18:22:32,029 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:22:32,030 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:22:32,030 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:22:32,030 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:22:32,035 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:31" (1/1) ... [2024-11-23 18:22:32,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:22:32,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:22:32,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:22:32,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:22:32,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:22:32,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 18:22:32,101 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 18:22:32,102 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 18:22:32,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:22:32,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:22:32,170 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:22:32,172 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:22:32,663 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-23 18:22:32,663 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:22:32,676 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:22:32,676 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-23 18:22:32,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:22:32 BoogieIcfgContainer [2024-11-23 18:22:32,677 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:22:32,681 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:22:32,681 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:22:32,687 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:22:32,687 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:22:31" (1/3) ... [2024-11-23 18:22:32,688 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a6c093f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:22:32, skipping insertion in model container [2024-11-23 18:22:32,688 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:22:31" (2/3) ... [2024-11-23 18:22:32,690 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a6c093f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:22:32, skipping insertion in model container [2024-11-23 18:22:32,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:22:32" (3/3) ... [2024-11-23 18:22:32,692 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-88.i [2024-11-23 18:22:32,708 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:22:32,709 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-88.i that has 2 procedures, 42 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 18:22:32,777 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:22:32,795 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;@105eaf34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:22:32,795 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 18:22:32,799 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 29 states have internal predecessors, (37), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 18:22:32,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-23 18:22:32,808 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:22:32,809 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:22:32,809 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:22:32,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:22:32,817 INFO L85 PathProgramCache]: Analyzing trace with hash -237182867, now seen corresponding path program 1 times [2024-11-23 18:22:32,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:22:32,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1566699142] [2024-11-23 18:22:32,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:22:32,832 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:22:32,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:22:32,836 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:22:32,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-23 18:22:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:22:33,064 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-23 18:22:33,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:22:33,125 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-23 18:22:33,125 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 18:22:33,126 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:22:33,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1566699142] [2024-11-23 18:22:33,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1566699142] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 18:22:33,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 18:22:33,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 18:22:33,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518557884] [2024-11-23 18:22:33,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:22:33,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-23 18:22:33,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:22:33,157 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-23 18:22:33,157 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:22:33,159 INFO L87 Difference]: Start difference. First operand has 42 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 29 states have internal predecessors, (37), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 18:22:33,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:22:33,182 INFO L93 Difference]: Finished difference Result 81 states and 126 transitions. [2024-11-23 18:22:33,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-23 18:22:33,184 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 74 [2024-11-23 18:22:33,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:22:33,190 INFO L225 Difference]: With dead ends: 81 [2024-11-23 18:22:33,191 INFO L226 Difference]: Without dead ends: 38 [2024-11-23 18:22:33,194 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-23 18:22:33,198 INFO L435 NwaCegarLoop]: 55 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, 55 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 [2024-11-23 18:22:33,199 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 18:22:33,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-23 18:22:33,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-11-23 18:22:33,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 25 states have (on average 1.16) internal successors, (29), 25 states have internal predecessors, (29), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-23 18:22:33,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 51 transitions. [2024-11-23 18:22:33,245 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 51 transitions. Word has length 74 [2024-11-23 18:22:33,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:22:33,246 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 51 transitions. [2024-11-23 18:22:33,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-23 18:22:33,246 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2024-11-23 18:22:33,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-23 18:22:33,249 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:22:33,249 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:22:33,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-23 18:22:33,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:22:33,454 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:22:33,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:22:33,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1615333099, now seen corresponding path program 1 times [2024-11-23 18:22:33,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:22:33,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [253206963] [2024-11-23 18:22:33,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:22:33,456 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:22:33,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:22:33,458 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:22:33,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-23 18:22:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:22:33,694 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-23 18:22:33,708 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:22:37,339 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 90 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-23 18:22:37,339 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:22:45,738 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-23 18:22:45,739 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:22:45,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [253206963] [2024-11-23 18:22:45,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [253206963] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 18:22:45,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:22:45,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 17 [2024-11-23 18:22:45,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339706091] [2024-11-23 18:22:45,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:22:45,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-23 18:22:45,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:22:45,744 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-23 18:22:45,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2024-11-23 18:22:45,745 INFO L87 Difference]: Start difference. First operand 38 states and 51 transitions. Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 18:22:49,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:22:49,318 INFO L93 Difference]: Finished difference Result 93 states and 121 transitions. [2024-11-23 18:22:49,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-23 18:22:49,320 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2024-11-23 18:22:49,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:22:49,322 INFO L225 Difference]: With dead ends: 93 [2024-11-23 18:22:49,322 INFO L226 Difference]: Without dead ends: 58 [2024-11-23 18:22:49,323 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2024-11-23 18:22:49,323 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 48 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-23 18:22:49,325 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 203 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-23 18:22:49,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-23 18:22:49,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 57. [2024-11-23 18:22:49,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 40 states have (on average 1.1) internal successors, (44), 41 states have internal predecessors, (44), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 12 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-23 18:22:49,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 70 transitions. [2024-11-23 18:22:49,346 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 70 transitions. Word has length 74 [2024-11-23 18:22:49,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:22:49,347 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 70 transitions. [2024-11-23 18:22:49,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-23 18:22:49,347 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 70 transitions. [2024-11-23 18:22:49,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-23 18:22:49,349 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:22:49,349 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:22:49,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-23 18:22:49,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:22:49,550 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:22:49,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:22:49,551 INFO L85 PathProgramCache]: Analyzing trace with hash -904626835, now seen corresponding path program 1 times [2024-11-23 18:22:49,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:22:49,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1786475477] [2024-11-23 18:22:49,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:22:49,552 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:22:49,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:22:49,554 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:22:49,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-23 18:22:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:22:49,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-23 18:22:49,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:22:52,273 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 149 proven. 24 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-23 18:22:52,273 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:22:59,978 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:22:59,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1786475477] [2024-11-23 18:22:59,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1786475477] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-23 18:22:59,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1669717173] [2024-11-23 18:22:59,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:22:59,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-23 18:22:59,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-23 18:22:59,980 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-23 18:22:59,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-23 18:23:00,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:23:00,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-23 18:23:00,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:23:07,895 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 158 proven. 30 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-23 18:23:07,895 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:23:18,815 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-23 18:23:18,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1669717173] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 18:23:18,815 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-23 18:23:18,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 23, 11] total 42 [2024-11-23 18:23:18,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667733414] [2024-11-23 18:23:18,816 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-23 18:23:18,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-11-23 18:23:18,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:23:18,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-11-23 18:23:18,819 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=331, Invalid=1831, Unknown=0, NotChecked=0, Total=2162 [2024-11-23 18:23:18,819 INFO L87 Difference]: Start difference. First operand 57 states and 70 transitions. Second operand has 42 states, 42 states have (on average 2.0) internal successors, (84), 40 states have internal predecessors, (84), 10 states have call successors, (28), 9 states have call predecessors, (28), 13 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2024-11-23 18:23:34,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:23:34,938 INFO L93 Difference]: Finished difference Result 186 states and 209 transitions. [2024-11-23 18:23:34,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-11-23 18:23:34,939 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 2.0) internal successors, (84), 40 states have internal predecessors, (84), 10 states have call successors, (28), 9 states have call predecessors, (28), 13 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) Word has length 74 [2024-11-23 18:23:34,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:23:34,939 INFO L225 Difference]: With dead ends: 186 [2024-11-23 18:23:34,939 INFO L226 Difference]: Without dead ends: 0 [2024-11-23 18:23:34,945 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3077 ImplicationChecksByTransitivity, 27.5s TimeCoverageRelationStatistics Valid=1951, Invalid=8761, Unknown=0, NotChecked=0, Total=10712 [2024-11-23 18:23:34,946 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 121 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 762 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-23 18:23:34,946 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 405 Invalid, 857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 762 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-23 18:23:34,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-23 18:23:34,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-23 18:23:34,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:23:34,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 18:23:34,948 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2024-11-23 18:23:34,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:23:34,948 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 18:23:34,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 2.0) internal successors, (84), 40 states have internal predecessors, (84), 10 states have call successors, (28), 9 states have call predecessors, (28), 13 states have return successors, (29), 10 states have call predecessors, (29), 10 states have call successors, (29) [2024-11-23 18:23:34,949 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-23 18:23:34,949 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-23 18:23:34,951 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 18:23:34,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-23 18:23:35,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-23 18:23:35,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-23 18:23:35,356 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-23 18:23:35,358 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-23 18:23:55,991 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 18:23:56,004 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-23 18:23:56,005 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-23 18:23:56,005 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-23 18:23:56,005 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-23 18:23:56,006 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-23 18:23:56,006 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-23 18:23:56,006 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-23 18:23:56,006 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-23 18:23:56,007 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-23 18:23:56,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:23:56 BoogieIcfgContainer [2024-11-23 18:23:56,009 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 18:23:56,010 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 18:23:56,010 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 18:23:56,010 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 18:23:56,011 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:22:32" (3/4) ... [2024-11-23 18:23:56,013 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 18:23:56,018 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-23 18:23:56,022 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-23 18:23:56,022 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-23 18:23:56,023 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-23 18:23:56,023 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 18:23:56,122 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 18:23:56,122 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 18:23:56,122 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 18:23:56,124 INFO L158 Benchmark]: Toolchain (without parser) took 84615.75ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 93.5MB in the beginning and 110.9MB in the end (delta: -17.4MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. [2024-11-23 18:23:56,124 INFO L158 Benchmark]: CDTParser took 2.32ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:23:56,128 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.18ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 80.7MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:23:56,128 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.72ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.1MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:23:56,129 INFO L158 Benchmark]: Boogie Preprocessor took 66.60ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 77.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:23:56,129 INFO L158 Benchmark]: RCFGBuilder took 648.04ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 62.7MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:23:56,129 INFO L158 Benchmark]: TraceAbstraction took 83327.74ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 62.0MB in the beginning and 117.0MB in the end (delta: -55.0MB). Peak memory consumption was 91.0MB. Max. memory is 16.1GB. [2024-11-23 18:23:56,131 INFO L158 Benchmark]: Witness Printer took 112.59ms. Allocated memory is still 201.3MB. Free memory was 117.0MB in the beginning and 110.9MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:23:56,132 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.32ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.18ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 80.7MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.72ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.1MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.60ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 77.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 648.04ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 62.7MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 83327.74ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 62.0MB in the beginning and 117.0MB in the end (delta: -55.0MB). Peak memory consumption was 91.0MB. Max. memory is 16.1GB. * Witness Printer took 112.59ms. Allocated memory is still 201.3MB. Free memory was 117.0MB in the beginning and 110.9MB in the end (delta: 6.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 62.6s, OverallIterations: 3, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 19.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 172 SdHoareTripleChecker+Valid, 6.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 169 mSDsluCounter, 663 SdHoareTripleChecker+Invalid, 6.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 494 mSDsCounter, 101 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 878 IncrementalHoareTripleChecker+Invalid, 979 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 101 mSolverCounterUnsat, 169 mSDtfsCounter, 878 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 523 GetRequests, 404 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3133 ImplicationChecksByTransitivity, 32.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=2, InterpolantAutomatonStates: 70, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 40.9s InterpolantComputationTime, 296 NumberOfCodeBlocks, 296 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 438 ConstructedInterpolants, 0 QuantifiedInterpolants, 3519 SizeOfPredicates, 47 NumberOfNonLiveVariables, 506 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 1254/1320 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: ((0 == var_1_11) && (var_1_12 <= 0)) RESULT: Ultimate proved your program to be correct! [2024-11-23 18:23:56,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_792df4db-cab9-4861-9d2b-9921d6bfdfaf/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE