./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix052_power.oepc_power.opt_pso.oepc_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f48fc-879d-423c-924b-7ea73bce0532/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f48fc-879d-423c-924b-7ea73bce0532/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_e76f48fc-879d-423c-924b-7ea73bce0532/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f48fc-879d-423c-924b-7ea73bce0532/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix052_power.oepc_power.opt_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f48fc-879d-423c-924b-7ea73bce0532/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f48fc-879d-423c-924b-7ea73bce0532/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ebf6aadb7b83b59f90765b7cb8b0362853c5f80603629c3d563bbb938a6df3b1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:02:16,784 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:02:16,874 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f48fc-879d-423c-924b-7ea73bce0532/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-24 01:02:16,883 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:02:16,883 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:02:16,918 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:02:16,919 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:02:16,919 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:02:16,919 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:02:16,920 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:02:16,920 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:02:16,921 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:02:16,921 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:02:16,921 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:02:16,921 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:02:16,922 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:02:16,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:02:16,922 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:02:16,922 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:02:16,922 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:02:16,922 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:02:16,922 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:02:16,922 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:02:16,922 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:02:16,922 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 01:02:16,923 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 01:02:16,923 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:02:16,923 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:02:16,923 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:02:16,923 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:02:16,923 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:02:16,923 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:02:16,923 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:02:16,923 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:02:16,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:02:16,923 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:02:16,924 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:02:16,924 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:02:16,924 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:02:16,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:02:16,924 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:02:16,924 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:02:16,924 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:02:16,924 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:02:16,924 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:02:16,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:02:16,925 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:02:16,925 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:02:16,925 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:02:16,925 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:02:16,925 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_e76f48fc-879d-423c-924b-7ea73bce0532/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 ! overflow) ) 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 -> ebf6aadb7b83b59f90765b7cb8b0362853c5f80603629c3d563bbb938a6df3b1 [2024-11-24 01:02:17,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:02:17,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:02:17,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:02:17,272 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:02:17,272 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:02:17,273 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f48fc-879d-423c-924b-7ea73bce0532/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/pthread-wmm/mix052_power.oepc_power.opt_pso.oepc_rmo.oepc.i [2024-11-24 01:02:20,282 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f48fc-879d-423c-924b-7ea73bce0532/bin/uautomizer-verify-LYvppIcaGC/data/56c9cd8c8/d2a72e368c4945eaa02ac5e93ac9066b/FLAGfc758bca8 [2024-11-24 01:02:20,589 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:02:20,590 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f48fc-879d-423c-924b-7ea73bce0532/sv-benchmarks/c/pthread-wmm/mix052_power.oepc_power.opt_pso.oepc_rmo.oepc.i [2024-11-24 01:02:20,604 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f48fc-879d-423c-924b-7ea73bce0532/bin/uautomizer-verify-LYvppIcaGC/data/56c9cd8c8/d2a72e368c4945eaa02ac5e93ac9066b/FLAGfc758bca8 [2024-11-24 01:02:20,621 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f48fc-879d-423c-924b-7ea73bce0532/bin/uautomizer-verify-LYvppIcaGC/data/56c9cd8c8/d2a72e368c4945eaa02ac5e93ac9066b [2024-11-24 01:02:20,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:02:20,625 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:02:20,626 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:02:20,626 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:02:20,632 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:02:20,632 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:02:20" (1/1) ... [2024-11-24 01:02:20,635 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6092869e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:20, skipping insertion in model container [2024-11-24 01:02:20,635 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:02:20" (1/1) ... [2024-11-24 01:02:20,687 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:02:21,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:02:21,065 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:02:21,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:02:21,174 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:02:21,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:21 WrapperNode [2024-11-24 01:02:21,175 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:02:21,176 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:02:21,176 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:02:21,176 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:02:21,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:21" (1/1) ... [2024-11-24 01:02:21,203 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:21" (1/1) ... [2024-11-24 01:02:21,227 INFO L138 Inliner]: procedures = 175, calls = 43, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 121 [2024-11-24 01:02:21,227 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:02:21,228 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:02:21,228 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:02:21,228 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:02:21,241 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:21" (1/1) ... [2024-11-24 01:02:21,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:21" (1/1) ... [2024-11-24 01:02:21,244 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:21" (1/1) ... [2024-11-24 01:02:21,260 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-24 01:02:21,261 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:21" (1/1) ... [2024-11-24 01:02:21,261 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:21" (1/1) ... [2024-11-24 01:02:21,268 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:21" (1/1) ... [2024-11-24 01:02:21,269 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:21" (1/1) ... [2024-11-24 01:02:21,271 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:21" (1/1) ... [2024-11-24 01:02:21,272 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:21" (1/1) ... [2024-11-24 01:02:21,274 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:21" (1/1) ... [2024-11-24 01:02:21,276 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:02:21,277 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:02:21,277 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:02:21,277 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:02:21,278 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:21" (1/1) ... [2024-11-24 01:02:21,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:02:21,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f48fc-879d-423c-924b-7ea73bce0532/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:02:21,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f48fc-879d-423c-924b-7ea73bce0532/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:02:21,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f48fc-879d-423c-924b-7ea73bce0532/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:02:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-24 01:02:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:02:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-24 01:02:21,350 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-24 01:02:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-24 01:02:21,351 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-24 01:02:21,351 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-24 01:02:21,351 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-24 01:02:21,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:02:21,351 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-24 01:02:21,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:02:21,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:02:21,353 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-24 01:02:21,503 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:02:21,506 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:02:21,940 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-24 01:02:21,941 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:02:22,211 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:02:22,211 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 01:02:22,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:02:22 BoogieIcfgContainer [2024-11-24 01:02:22,212 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:02:22,214 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:02:22,214 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:02:22,219 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:02:22,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:02:20" (1/3) ... [2024-11-24 01:02:22,219 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32086318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:02:22, skipping insertion in model container [2024-11-24 01:02:22,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:21" (2/3) ... [2024-11-24 01:02:22,220 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32086318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:02:22, skipping insertion in model container [2024-11-24 01:02:22,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:02:22" (3/3) ... [2024-11-24 01:02:22,221 INFO L128 eAbstractionObserver]: Analyzing ICFG mix052_power.oepc_power.opt_pso.oepc_rmo.oepc.i [2024-11-24 01:02:22,239 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:02:22,240 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix052_power.oepc_power.opt_pso.oepc_rmo.oepc.i that has 4 procedures, 40 locations, 1 initial locations, 0 loop locations, and 6 error locations. [2024-11-24 01:02:22,242 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-24 01:02:22,316 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-24 01:02:22,359 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 49 places, 39 transitions, 90 flow [2024-11-24 01:02:22,401 INFO L124 PetriNetUnfolderBase]: 0/36 cut-off events. [2024-11-24 01:02:22,405 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-24 01:02:22,407 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 36 events. 0/36 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 87 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-24 01:02:22,407 INFO L82 GeneralOperation]: Start removeDead. Operand has 49 places, 39 transitions, 90 flow [2024-11-24 01:02:22,412 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 46 places, 36 transitions, 81 flow [2024-11-24 01:02:22,424 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:02:22,438 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;@6cc5f197, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:02:22,439 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-11-24 01:02:22,448 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-24 01:02:22,448 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-11-24 01:02:22,448 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-24 01:02:22,448 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:02:22,449 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:02:22,449 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-24 01:02:22,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:02:22,456 INFO L85 PathProgramCache]: Analyzing trace with hash 801805954, now seen corresponding path program 1 times [2024-11-24 01:02:22,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:02:22,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852250457] [2024-11-24 01:02:22,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:02:22,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:02:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:02:22,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:02:22,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:02:22,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852250457] [2024-11-24 01:02:22,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852250457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:02:22,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:02:22,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-24 01:02:22,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483425688] [2024-11-24 01:02:22,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:02:22,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:02:22,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:02:22,903 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:02:22,904 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:02:22,912 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 39 [2024-11-24 01:02:22,914 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 36 transitions, 81 flow. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2024-11-24 01:02:22,916 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 01:02:22,916 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 39 [2024-11-24 01:02:22,917 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 01:02:23,945 INFO L124 PetriNetUnfolderBase]: 2398/3578 cut-off events. [2024-11-24 01:02:23,946 INFO L125 PetriNetUnfolderBase]: For 24/24 co-relation queries the response was YES. [2024-11-24 01:02:23,960 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7176 conditions, 3578 events. 2398/3578 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 20544 event pairs, 838 based on Foata normal form. 0/2852 useless extension candidates. Maximal degree in co-relation 7165. Up to 3251 conditions per place. [2024-11-24 01:02:23,988 INFO L140 encePairwiseOnDemand]: 29/39 looper letters, 39 selfloop transitions, 4 changer transitions 0/52 dead transitions. [2024-11-24 01:02:23,988 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 52 transitions, 205 flow [2024-11-24 01:02:23,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:02:23,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 01:02:24,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 85 transitions. [2024-11-24 01:02:24,005 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7264957264957265 [2024-11-24 01:02:24,009 INFO L175 Difference]: Start difference. First operand has 46 places, 36 transitions, 81 flow. Second operand 3 states and 85 transitions. [2024-11-24 01:02:24,010 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 52 transitions, 205 flow [2024-11-24 01:02:24,015 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 52 transitions, 200 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-24 01:02:24,020 INFO L231 Difference]: Finished difference. Result has 46 places, 39 transitions, 114 flow [2024-11-24 01:02:24,025 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=114, PETRI_PLACES=46, PETRI_TRANSITIONS=39} [2024-11-24 01:02:24,029 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 0 predicate places. [2024-11-24 01:02:24,031 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 39 transitions, 114 flow [2024-11-24 01:02:24,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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) [2024-11-24 01:02:24,031 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:02:24,032 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:02:24,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 01:02:24,032 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-24 01:02:24,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:02:24,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1542403577, now seen corresponding path program 1 times [2024-11-24 01:02:24,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:02:24,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737377253] [2024-11-24 01:02:24,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:02:24,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:02:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:02:24,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:02:24,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:02:24,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737377253] [2024-11-24 01:02:24,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737377253] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:02:24,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:02:24,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:02:24,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497596264] [2024-11-24 01:02:24,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:02:24,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:02:24,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:02:24,291 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:02:24,291 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:02:24,296 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 39 [2024-11-24 01:02:24,296 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 39 transitions, 114 flow. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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) [2024-11-24 01:02:24,297 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 01:02:24,297 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 39 [2024-11-24 01:02:24,297 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 01:02:24,902 INFO L124 PetriNetUnfolderBase]: 1703/2565 cut-off events. [2024-11-24 01:02:24,902 INFO L125 PetriNetUnfolderBase]: For 209/209 co-relation queries the response was YES. [2024-11-24 01:02:24,909 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5952 conditions, 2565 events. 1703/2565 cut-off events. For 209/209 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 14274 event pairs, 529 based on Foata normal form. 0/2248 useless extension candidates. Maximal degree in co-relation 5941. Up to 2237 conditions per place. [2024-11-24 01:02:24,924 INFO L140 encePairwiseOnDemand]: 32/39 looper letters, 36 selfloop transitions, 4 changer transitions 0/49 dead transitions. [2024-11-24 01:02:24,924 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 49 transitions, 212 flow [2024-11-24 01:02:24,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:02:24,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-24 01:02:24,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 91 transitions. [2024-11-24 01:02:24,926 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5833333333333334 [2024-11-24 01:02:24,927 INFO L175 Difference]: Start difference. First operand has 46 places, 39 transitions, 114 flow. Second operand 4 states and 91 transitions. [2024-11-24 01:02:24,927 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 49 transitions, 212 flow [2024-11-24 01:02:24,928 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 49 transitions, 208 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-24 01:02:24,929 INFO L231 Difference]: Finished difference. Result has 45 places, 36 transitions, 106 flow [2024-11-24 01:02:24,931 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=106, PETRI_PLACES=45, PETRI_TRANSITIONS=36} [2024-11-24 01:02:24,932 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, -1 predicate places. [2024-11-24 01:02:24,932 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 36 transitions, 106 flow [2024-11-24 01:02:24,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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) [2024-11-24 01:02:24,932 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:02:24,933 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:02:24,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:02:24,933 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-24 01:02:24,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:02:24,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1542403576, now seen corresponding path program 1 times [2024-11-24 01:02:24,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:02:24,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965554462] [2024-11-24 01:02:24,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:02:24,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:02:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:02:25,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:02:25,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:02:25,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965554462] [2024-11-24 01:02:25,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965554462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:02:25,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:02:25,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:02:25,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689752782] [2024-11-24 01:02:25,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:02:25,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:02:25,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:02:25,127 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:02:25,127 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:02:25,133 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 39 [2024-11-24 01:02:25,133 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 36 transitions, 106 flow. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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) [2024-11-24 01:02:25,133 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 01:02:25,133 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 39 [2024-11-24 01:02:25,134 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 01:02:25,578 INFO L124 PetriNetUnfolderBase]: 1254/1918 cut-off events. [2024-11-24 01:02:25,579 INFO L125 PetriNetUnfolderBase]: For 421/421 co-relation queries the response was YES. [2024-11-24 01:02:25,583 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4363 conditions, 1918 events. 1254/1918 cut-off events. For 421/421 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 10364 event pairs, 216 based on Foata normal form. 0/1831 useless extension candidates. Maximal degree in co-relation 4351. Up to 893 conditions per place. [2024-11-24 01:02:25,590 INFO L140 encePairwiseOnDemand]: 32/39 looper letters, 47 selfloop transitions, 7 changer transitions 3/66 dead transitions. [2024-11-24 01:02:25,591 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 66 transitions, 292 flow [2024-11-24 01:02:25,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:02:25,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-24 01:02:25,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 108 transitions. [2024-11-24 01:02:25,592 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6923076923076923 [2024-11-24 01:02:25,592 INFO L175 Difference]: Start difference. First operand has 45 places, 36 transitions, 106 flow. Second operand 4 states and 108 transitions. [2024-11-24 01:02:25,592 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 66 transitions, 292 flow [2024-11-24 01:02:25,593 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 66 transitions, 287 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 01:02:25,594 INFO L231 Difference]: Finished difference. Result has 47 places, 36 transitions, 127 flow [2024-11-24 01:02:25,595 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=127, PETRI_PLACES=47, PETRI_TRANSITIONS=36} [2024-11-24 01:02:25,595 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, 1 predicate places. [2024-11-24 01:02:25,596 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 36 transitions, 127 flow [2024-11-24 01:02:25,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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) [2024-11-24 01:02:25,596 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 01:02:25,596 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:02:25,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:02:25,596 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-24 01:02:25,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:02:25,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1571782454, now seen corresponding path program 1 times [2024-11-24 01:02:25,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:02:25,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099887315] [2024-11-24 01:02:25,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:02:25,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:02:25,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:02:25,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:02:25,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:02:25,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099887315] [2024-11-24 01:02:25,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099887315] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:02:25,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:02:25,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:02:25,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146481934] [2024-11-24 01:02:25,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:02:25,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:02:25,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:02:25,852 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:02:25,853 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:02:25,860 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 39 [2024-11-24 01:02:25,860 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 36 transitions, 127 flow. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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) [2024-11-24 01:02:25,860 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 01:02:25,860 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 39 [2024-11-24 01:02:25,860 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 01:02:26,274 INFO L124 PetriNetUnfolderBase]: 1034/1598 cut-off events. [2024-11-24 01:02:26,274 INFO L125 PetriNetUnfolderBase]: For 978/978 co-relation queries the response was YES. [2024-11-24 01:02:26,278 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4057 conditions, 1598 events. 1034/1598 cut-off events. For 978/978 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 8936 event pairs, 166 based on Foata normal form. 60/1631 useless extension candidates. Maximal degree in co-relation 4044. Up to 698 conditions per place. [2024-11-24 01:02:26,279 INFO L140 encePairwiseOnDemand]: 32/39 looper letters, 0 selfloop transitions, 0 changer transitions 60/60 dead transitions. [2024-11-24 01:02:26,279 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 60 transitions, 271 flow [2024-11-24 01:02:26,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:02:26,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-24 01:02:26,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 114 transitions. [2024-11-24 01:02:26,283 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5846153846153846 [2024-11-24 01:02:26,283 INFO L175 Difference]: Start difference. First operand has 47 places, 36 transitions, 127 flow. Second operand 5 states and 114 transitions. [2024-11-24 01:02:26,283 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 60 transitions, 271 flow [2024-11-24 01:02:26,285 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 60 transitions, 247 flow, removed 3 selfloop flow, removed 4 redundant places. [2024-11-24 01:02:26,287 INFO L231 Difference]: Finished difference. Result has 44 places, 0 transitions, 0 flow [2024-11-24 01:02:26,287 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=85, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=44, PETRI_TRANSITIONS=0} [2024-11-24 01:02:26,288 INFO L279 CegarLoopForPetriNet]: 46 programPoint places, -2 predicate places. [2024-11-24 01:02:26,289 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 0 transitions, 0 flow [2024-11-24 01:02:26,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 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) [2024-11-24 01:02:26,292 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2024-11-24 01:02:26,293 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2024-11-24 01:02:26,294 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2024-11-24 01:02:26,294 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2024-11-24 01:02:26,294 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2024-11-24 01:02:26,295 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2024-11-24 01:02:26,295 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-11-24 01:02:26,295 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2024-11-24 01:02:26,295 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2024-11-24 01:02:26,295 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2024-11-24 01:02:26,295 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2024-11-24 01:02:26,295 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2024-11-24 01:02:26,295 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2024-11-24 01:02:26,295 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2024-11-24 01:02:26,295 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2024-11-24 01:02:26,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:02:26,296 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-24 01:02:26,302 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-24 01:02:26,302 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:02:26,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:02:26 BasicIcfg [2024-11-24 01:02:26,310 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:02:26,311 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:02:26,311 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:02:26,311 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:02:26,312 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:02:22" (3/4) ... [2024-11-24 01:02:26,313 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 01:02:26,316 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-24 01:02:26,316 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-24 01:02:26,317 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-24 01:02:26,323 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 70 nodes and edges [2024-11-24 01:02:26,324 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-24 01:02:26,324 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-24 01:02:26,324 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-24 01:02:26,410 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f48fc-879d-423c-924b-7ea73bce0532/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 01:02:26,410 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f48fc-879d-423c-924b-7ea73bce0532/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 01:02:26,410 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:02:26,411 INFO L158 Benchmark]: Toolchain (without parser) took 5785.84ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 115.5MB in the beginning and 76.5MB in the end (delta: 38.9MB). Peak memory consumption was 95.1MB. Max. memory is 16.1GB. [2024-11-24 01:02:26,412 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:02:26,412 INFO L158 Benchmark]: CACSL2BoogieTranslator took 549.35ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 92.4MB in the end (delta: 22.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:02:26,413 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.15ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 90.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:02:26,413 INFO L158 Benchmark]: Boogie Preprocessor took 48.66ms. Allocated memory is still 142.6MB. Free memory was 90.0MB in the beginning and 87.0MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:02:26,414 INFO L158 Benchmark]: RCFGBuilder took 934.87ms. Allocated memory is still 142.6MB. Free memory was 87.0MB in the beginning and 104.5MB in the end (delta: -17.4MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-11-24 01:02:26,415 INFO L158 Benchmark]: TraceAbstraction took 4095.75ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 103.7MB in the beginning and 82.8MB in the end (delta: 20.9MB). Peak memory consumption was 108.9MB. Max. memory is 16.1GB. [2024-11-24 01:02:26,415 INFO L158 Benchmark]: Witness Printer took 99.41ms. Allocated memory is still 201.3MB. Free memory was 82.8MB in the beginning and 76.5MB in the end (delta: 6.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:02:26,419 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 549.35ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 92.4MB in the end (delta: 22.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.15ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 90.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.66ms. Allocated memory is still 142.6MB. Free memory was 90.0MB in the beginning and 87.0MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 934.87ms. Allocated memory is still 142.6MB. Free memory was 87.0MB in the beginning and 104.5MB in the end (delta: -17.4MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * TraceAbstraction took 4095.75ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 103.7MB in the beginning and 82.8MB in the end (delta: 20.9MB). Peak memory consumption was 108.9MB. Max. memory is 16.1GB. * Witness Printer took 99.41ms. Allocated memory is still 201.3MB. Free memory was 82.8MB in the beginning and 76.5MB in the end (delta: 6.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 765]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 765]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 818]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 818]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 70 locations, 15 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 140 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 132 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 268 IncrementalHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 2 mSDtfsCounter, 268 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=3, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 156 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-24 01:02:26,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f48fc-879d-423c-924b-7ea73bce0532/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE