./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8e0b8e6efb6fc18f3ca2ba094d3acbfc6a07fbc0100e70485e3a3a84ea56105b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:53:47,662 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:53:47,728 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 13:53:47,731 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:53:47,733 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:53:47,760 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:53:47,762 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:53:47,762 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:53:47,763 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:53:47,763 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:53:47,763 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:53:47,764 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:53:47,764 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:53:47,765 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:53:47,765 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:53:47,766 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:53:47,767 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:53:47,767 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 13:53:47,767 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 13:53:47,770 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 13:53:47,770 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:53:47,770 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:53:47,771 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:53:47,771 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:53:47,771 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:53:47,771 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:53:47,771 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:53:47,771 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 13:53:47,772 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:53:47,772 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:53:47,772 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:53:47,772 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:53:47,772 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:53:47,772 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:53:47,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:53:47,773 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:53:47,773 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:53:47,773 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:53:47,773 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 13:53:47,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 13:53:47,774 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:53:47,775 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:53:47,776 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:53:47,776 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:53:47,776 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e0b8e6efb6fc18f3ca2ba094d3acbfc6a07fbc0100e70485e3a3a84ea56105b [2024-11-19 13:53:48,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:53:48,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:53:48,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:53:48,086 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:53:48,086 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:53:48,087 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-19 13:53:49,661 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:53:49,897 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:53:49,898 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-19 13:53:49,924 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f43d9fb4e/f4cd9b2d278f4255b895b3f50e08717c/FLAG830953eac [2024-11-19 13:53:49,939 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f43d9fb4e/f4cd9b2d278f4255b895b3f50e08717c [2024-11-19 13:53:49,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:53:49,943 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:53:49,945 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:53:49,945 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:53:49,955 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:53:49,956 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:53:49" (1/1) ... [2024-11-19 13:53:49,957 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dbbc482 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:49, skipping insertion in model container [2024-11-19 13:53:49,957 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:53:49" (1/1) ... [2024-11-19 13:53:50,001 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:53:50,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:53:50,427 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:53:50,503 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:53:50,608 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:53:50,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:50 WrapperNode [2024-11-19 13:53:50,608 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:53:50,609 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:53:50,609 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:53:50,609 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:53:50,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:50" (1/1) ... [2024-11-19 13:53:50,648 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:50" (1/1) ... [2024-11-19 13:53:50,698 INFO L138 Inliner]: procedures = 175, calls = 42, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2024-11-19 13:53:50,707 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:53:50,707 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:53:50,707 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:53:50,708 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:53:50,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:50" (1/1) ... [2024-11-19 13:53:50,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:50" (1/1) ... [2024-11-19 13:53:50,722 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:50" (1/1) ... [2024-11-19 13:53:50,744 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]. [2024-11-19 13:53:50,748 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:50" (1/1) ... [2024-11-19 13:53:50,749 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:50" (1/1) ... [2024-11-19 13:53:50,752 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:50" (1/1) ... [2024-11-19 13:53:50,755 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:50" (1/1) ... [2024-11-19 13:53:50,756 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:50" (1/1) ... [2024-11-19 13:53:50,757 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:50" (1/1) ... [2024-11-19 13:53:50,759 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:53:50,760 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:53:50,760 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:53:50,761 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:53:50,761 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:50" (1/1) ... [2024-11-19 13:53:50,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:53:50,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:53:50,793 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 13:53:50,802 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 13:53:50,843 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-19 13:53:50,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:53:50,843 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-19 13:53:50,843 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-19 13:53:50,844 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-19 13:53:50,844 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-19 13:53:50,844 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-19 13:53:50,844 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-19 13:53:50,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 13:53:50,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-19 13:53:50,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:53:50,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:53:50,847 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 13:53:50,951 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:53:50,953 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:53:51,141 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 13:53:51,142 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:53:51,215 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:53:51,216 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 13:53:51,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:53:51 BoogieIcfgContainer [2024-11-19 13:53:51,218 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:53:51,219 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:53:51,220 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:53:51,223 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:53:51,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:53:49" (1/3) ... [2024-11-19 13:53:51,223 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2db43433 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:53:51, skipping insertion in model container [2024-11-19 13:53:51,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:53:50" (2/3) ... [2024-11-19 13:53:51,224 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2db43433 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:53:51, skipping insertion in model container [2024-11-19 13:53:51,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:53:51" (3/3) ... [2024-11-19 13:53:51,225 INFO L112 eAbstractionObserver]: Analyzing ICFG safe020_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2024-11-19 13:53:51,237 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:53:51,237 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-19 13:53:51,237 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 13:53:51,287 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-19 13:53:51,317 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 49 places, 39 transitions, 90 flow [2024-11-19 13:53:51,347 INFO L124 PetriNetUnfolderBase]: 0/36 cut-off events. [2024-11-19 13:53:51,348 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 13:53:51,350 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 8. Compared 89 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. [2024-11-19 13:53:51,350 INFO L82 GeneralOperation]: Start removeDead. Operand has 49 places, 39 transitions, 90 flow [2024-11-19 13:53:51,354 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 46 places, 36 transitions, 81 flow [2024-11-19 13:53:51,365 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:53:51,372 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;@727ca5a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:53:51,373 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-11-19 13:53:51,378 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 13:53:51,378 INFO L124 PetriNetUnfolderBase]: 0/16 cut-off events. [2024-11-19 13:53:51,378 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 13:53:51,378 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:53:51,379 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:53:51,380 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 13:53:51,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:53:51,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1143595776, now seen corresponding path program 1 times [2024-11-19 13:53:51,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:53:51,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725348023] [2024-11-19 13:53:51,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:53:51,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:53:51,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:53:51,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:53:51,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:53:51,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725348023] [2024-11-19 13:53:51,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725348023] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:53:51,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:53:51,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-19 13:53:51,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370687051] [2024-11-19 13:53:51,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:53:51,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 13:53:51,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:53:51,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 13:53:51,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 13:53:51,683 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 39 [2024-11-19 13:53:51,686 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 36 transitions, 81 flow. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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) [2024-11-19 13:53:51,687 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:53:51,687 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 39 [2024-11-19 13:53:51,688 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:53:52,020 INFO L124 PetriNetUnfolderBase]: 842/1294 cut-off events. [2024-11-19 13:53:52,020 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-11-19 13:53:52,027 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2620 conditions, 1294 events. 842/1294 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 7316 event pairs, 420 based on Foata normal form. 0/885 useless extension candidates. Maximal degree in co-relation 2609. Up to 1271 conditions per place. [2024-11-19 13:53:52,036 INFO L140 encePairwiseOnDemand]: 29/39 looper letters, 27 selfloop transitions, 4 changer transitions 0/46 dead transitions. [2024-11-19 13:53:52,037 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 46 transitions, 169 flow [2024-11-19 13:53:52,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 13:53:52,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 13:53:52,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 91 transitions. [2024-11-19 13:53:52,047 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7777777777777778 [2024-11-19 13:53:52,048 INFO L175 Difference]: Start difference. First operand has 46 places, 36 transitions, 81 flow. Second operand 3 states and 91 transitions. [2024-11-19 13:53:52,049 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 46 transitions, 169 flow [2024-11-19 13:53:52,051 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 46 transitions, 164 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-19 13:53:52,054 INFO L231 Difference]: Finished difference. Result has 46 places, 39 transitions, 114 flow [2024-11-19 13:53:52,056 INFO L260 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} [2024-11-19 13:53:52,058 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 0 predicate places. [2024-11-19 13:53:52,059 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 39 transitions, 114 flow [2024-11-19 13:53:52,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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) [2024-11-19 13:53:52,059 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:53:52,060 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:53:52,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 13:53:52,060 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 13:53:52,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:53:52,061 INFO L85 PathProgramCache]: Analyzing trace with hash -71693061, now seen corresponding path program 1 times [2024-11-19 13:53:52,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:53:52,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289852442] [2024-11-19 13:53:52,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:53:52,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:53:52,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:53:52,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:53:52,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:53:52,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289852442] [2024-11-19 13:53:52,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289852442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:53:52,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:53:52,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 13:53:52,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790930174] [2024-11-19 13:53:52,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:53:52,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:53:52,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:53:52,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:53:52,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:53:52,179 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 39 [2024-11-19 13:53:52,180 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 39 transitions, 114 flow. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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) [2024-11-19 13:53:52,180 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:53:52,180 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 39 [2024-11-19 13:53:52,180 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:53:52,313 INFO L124 PetriNetUnfolderBase]: 476/752 cut-off events. [2024-11-19 13:53:52,313 INFO L125 PetriNetUnfolderBase]: For 87/91 co-relation queries the response was YES. [2024-11-19 13:53:52,317 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1868 conditions, 752 events. 476/752 cut-off events. For 87/91 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 3866 event pairs, 212 based on Foata normal form. 2/593 useless extension candidates. Maximal degree in co-relation 1857. Up to 728 conditions per place. [2024-11-19 13:53:52,325 INFO L140 encePairwiseOnDemand]: 32/39 looper letters, 24 selfloop transitions, 4 changer transitions 0/43 dead transitions. [2024-11-19 13:53:52,325 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 43 transitions, 176 flow [2024-11-19 13:53:52,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:53:52,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-19 13:53:52,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 103 transitions. [2024-11-19 13:53:52,328 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6602564102564102 [2024-11-19 13:53:52,330 INFO L175 Difference]: Start difference. First operand has 46 places, 39 transitions, 114 flow. Second operand 4 states and 103 transitions. [2024-11-19 13:53:52,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 43 transitions, 176 flow [2024-11-19 13:53:52,331 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 43 transitions, 172 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 13:53:52,332 INFO L231 Difference]: Finished difference. Result has 45 places, 36 transitions, 106 flow [2024-11-19 13:53:52,334 INFO L260 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} [2024-11-19 13:53:52,335 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, -1 predicate places. [2024-11-19 13:53:52,335 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 36 transitions, 106 flow [2024-11-19 13:53:52,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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) [2024-11-19 13:53:52,336 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:53:52,336 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:53:52,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 13:53:52,336 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 13:53:52,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:53:52,338 INFO L85 PathProgramCache]: Analyzing trace with hash -71693060, now seen corresponding path program 1 times [2024-11-19 13:53:52,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:53:52,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851076368] [2024-11-19 13:53:52,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:53:52,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:53:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:53:52,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:53:52,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:53:52,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851076368] [2024-11-19 13:53:52,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851076368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:53:52,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:53:52,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 13:53:52,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942164221] [2024-11-19 13:53:52,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:53:52,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 13:53:52,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:53:52,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 13:53:52,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 13:53:52,457 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 39 [2024-11-19 13:53:52,458 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 36 transitions, 106 flow. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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) [2024-11-19 13:53:52,458 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:53:52,459 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 39 [2024-11-19 13:53:52,459 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:53:52,569 INFO L124 PetriNetUnfolderBase]: 302/498 cut-off events. [2024-11-19 13:53:52,569 INFO L125 PetriNetUnfolderBase]: For 107/111 co-relation queries the response was YES. [2024-11-19 13:53:52,571 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1201 conditions, 498 events. 302/498 cut-off events. For 107/111 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 2257 event pairs, 40 based on Foata normal form. 2/443 useless extension candidates. Maximal degree in co-relation 1189. Up to 409 conditions per place. [2024-11-19 13:53:52,573 INFO L140 encePairwiseOnDemand]: 32/39 looper letters, 29 selfloop transitions, 7 changer transitions 3/54 dead transitions. [2024-11-19 13:53:52,573 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 54 transitions, 232 flow [2024-11-19 13:53:52,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 13:53:52,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-19 13:53:52,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 114 transitions. [2024-11-19 13:53:52,577 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7307692307692307 [2024-11-19 13:53:52,578 INFO L175 Difference]: Start difference. First operand has 45 places, 36 transitions, 106 flow. Second operand 4 states and 114 transitions. [2024-11-19 13:53:52,578 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 54 transitions, 232 flow [2024-11-19 13:53:52,579 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 54 transitions, 227 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 13:53:52,580 INFO L231 Difference]: Finished difference. Result has 47 places, 36 transitions, 127 flow [2024-11-19 13:53:52,581 INFO L260 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} [2024-11-19 13:53:52,582 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 1 predicate places. [2024-11-19 13:53:52,583 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 36 transitions, 127 flow [2024-11-19 13:53:52,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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) [2024-11-19 13:53:52,583 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 13:53:52,583 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:53:52,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 13:53:52,583 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-19 13:53:52,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:53:52,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1783647981, now seen corresponding path program 1 times [2024-11-19 13:53:52,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:53:52,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96107242] [2024-11-19 13:53:52,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:53:52,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:53:52,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 13:53:52,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 13:53:52,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 13:53:52,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96107242] [2024-11-19 13:53:52,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96107242] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 13:53:52,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 13:53:52,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 13:53:52,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413368355] [2024-11-19 13:53:52,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 13:53:52,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 13:53:52,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 13:53:52,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 13:53:52,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-19 13:53:52,677 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 39 [2024-11-19 13:53:52,678 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 36 transitions, 127 flow. Second operand has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 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) [2024-11-19 13:53:52,678 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 13:53:52,678 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 39 [2024-11-19 13:53:52,678 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 13:53:52,741 INFO L124 PetriNetUnfolderBase]: 130/246 cut-off events. [2024-11-19 13:53:52,742 INFO L125 PetriNetUnfolderBase]: For 268/276 co-relation queries the response was YES. [2024-11-19 13:53:52,743 INFO L83 FinitePrefix]: Finished finitePrefix Result has 732 conditions, 246 events. 130/246 cut-off events. For 268/276 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1064 event pairs, 0 based on Foata normal form. 52/289 useless extension candidates. Maximal degree in co-relation 719. Up to 156 conditions per place. [2024-11-19 13:53:52,743 INFO L140 encePairwiseOnDemand]: 32/39 looper letters, 0 selfloop transitions, 0 changer transitions 48/48 dead transitions. [2024-11-19 13:53:52,743 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 48 transitions, 211 flow [2024-11-19 13:53:52,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 13:53:52,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-19 13:53:52,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 126 transitions. [2024-11-19 13:53:52,745 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6461538461538462 [2024-11-19 13:53:52,745 INFO L175 Difference]: Start difference. First operand has 47 places, 36 transitions, 127 flow. Second operand 5 states and 126 transitions. [2024-11-19 13:53:52,745 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 48 transitions, 211 flow [2024-11-19 13:53:52,746 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 48 transitions, 187 flow, removed 3 selfloop flow, removed 4 redundant places. [2024-11-19 13:53:52,746 INFO L231 Difference]: Finished difference. Result has 44 places, 0 transitions, 0 flow [2024-11-19 13:53:52,746 INFO L260 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} [2024-11-19 13:53:52,747 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, -2 predicate places. [2024-11-19 13:53:52,747 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 0 transitions, 0 flow [2024-11-19 13:53:52,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 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) [2024-11-19 13:53:52,750 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2024-11-19 13:53:52,750 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2024-11-19 13:53:52,751 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2024-11-19 13:53:52,751 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2024-11-19 13:53:52,751 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2024-11-19 13:53:52,751 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2024-11-19 13:53:52,751 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-11-19 13:53:52,751 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2024-11-19 13:53:52,752 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2024-11-19 13:53:52,752 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2024-11-19 13:53:52,752 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2024-11-19 13:53:52,752 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2024-11-19 13:53:52,752 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2024-11-19 13:53:52,752 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2024-11-19 13:53:52,752 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2024-11-19 13:53:52,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 13:53:52,753 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-19 13:53:52,758 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-19 13:53:52,759 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 13:53:52,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:53:52 BasicIcfg [2024-11-19 13:53:52,764 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 13:53:52,765 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 13:53:52,765 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 13:53:52,765 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 13:53:52,765 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:53:51" (3/4) ... [2024-11-19 13:53:52,767 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 13:53:52,769 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-19 13:53:52,769 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-19 13:53:52,769 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-19 13:53:52,773 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2024-11-19 13:53:52,773 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-19 13:53:52,773 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-19 13:53:52,773 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 13:53:52,839 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 13:53:52,839 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 13:53:52,839 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 13:53:52,840 INFO L158 Benchmark]: Toolchain (without parser) took 2896.48ms. Allocated memory was 167.8MB in the beginning and 274.7MB in the end (delta: 107.0MB). Free memory was 93.9MB in the beginning and 112.8MB in the end (delta: -18.9MB). Peak memory consumption was 90.6MB. Max. memory is 16.1GB. [2024-11-19 13:53:52,840 INFO L158 Benchmark]: CDTParser took 0.80ms. Allocated memory is still 167.8MB. Free memory is still 119.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:53:52,840 INFO L158 Benchmark]: CACSL2BoogieTranslator took 663.61ms. Allocated memory is still 167.8MB. Free memory was 93.7MB in the beginning and 133.5MB in the end (delta: -39.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-19 13:53:52,841 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.69ms. Allocated memory is still 167.8MB. Free memory was 133.5MB in the beginning and 131.2MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 13:53:52,841 INFO L158 Benchmark]: Boogie Preprocessor took 52.16ms. Allocated memory is still 167.8MB. Free memory was 131.2MB in the beginning and 129.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:53:52,841 INFO L158 Benchmark]: RCFGBuilder took 457.77ms. Allocated memory is still 167.8MB. Free memory was 129.3MB in the beginning and 106.8MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-19 13:53:52,841 INFO L158 Benchmark]: TraceAbstraction took 1544.92ms. Allocated memory was 167.8MB in the beginning and 274.7MB in the end (delta: 107.0MB). Free memory was 106.2MB in the beginning and 117.0MB in the end (delta: -10.8MB). Peak memory consumption was 98.9MB. Max. memory is 16.1GB. [2024-11-19 13:53:52,842 INFO L158 Benchmark]: Witness Printer took 74.49ms. Allocated memory is still 274.7MB. Free memory was 117.0MB in the beginning and 112.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-19 13:53:52,843 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.80ms. Allocated memory is still 167.8MB. Free memory is still 119.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 663.61ms. Allocated memory is still 167.8MB. Free memory was 93.7MB in the beginning and 133.5MB in the end (delta: -39.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.69ms. Allocated memory is still 167.8MB. Free memory was 133.5MB in the beginning and 131.2MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.16ms. Allocated memory is still 167.8MB. Free memory was 131.2MB in the beginning and 129.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 457.77ms. Allocated memory is still 167.8MB. Free memory was 129.3MB in the beginning and 106.8MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1544.92ms. Allocated memory was 167.8MB in the beginning and 274.7MB in the end (delta: 107.0MB). Free memory was 106.2MB in the beginning and 117.0MB in the end (delta: -10.8MB). Peak memory consumption was 98.9MB. Max. memory is 16.1GB. * Witness Printer took 74.49ms. Allocated memory is still 274.7MB. Free memory was 117.0MB in the beginning and 112.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 733]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 733]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 745]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 745]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 760]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 760]: 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: 1.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 93 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 85 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 201 IncrementalHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 2 mSDtfsCounter, 201 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, 0.4s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 159 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 - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-19 13:53:52,866 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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