./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe020_power.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe020_power.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 cd91eb07499c204f7750c4a87fd11eb7780a100da5928fd001cd5e1a53feff12 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 23:50:12,752 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 23:50:12,822 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-14 23:50:12,827 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 23:50:12,829 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 23:50:12,855 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 23:50:12,857 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 23:50:12,857 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 23:50:12,858 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 23:50:12,859 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 23:50:12,860 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 23:50:12,861 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 23:50:12,861 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 23:50:12,861 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 23:50:12,864 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 23:50:12,865 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 23:50:12,865 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 23:50:12,865 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 23:50:12,866 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 23:50:12,866 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 23:50:12,866 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 23:50:12,867 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 23:50:12,867 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 23:50:12,868 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 23:50:12,869 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 23:50:12,869 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 23:50:12,869 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 23:50:12,870 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 23:50:12,870 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 23:50:12,870 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 23:50:12,870 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 23:50:12,871 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 23:50:12,871 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 23:50:12,871 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 23:50:12,871 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:50:12,872 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 23:50:12,872 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 23:50:12,873 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 23:50:12,873 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 23:50:12,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 23:50:12,874 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 23:50:12,874 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 23:50:12,875 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 23:50:12,875 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 23:50:12,875 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd91eb07499c204f7750c4a87fd11eb7780a100da5928fd001cd5e1a53feff12 [2024-10-14 23:50:13,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 23:50:13,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 23:50:13,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 23:50:13,174 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 23:50:13,175 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 23:50:13,176 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe020_power.i [2024-10-14 23:50:14,633 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 23:50:14,966 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 23:50:14,967 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe020_power.i [2024-10-14 23:50:14,981 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59c57d6e2/bee51b9797114cd08a5606a4031cedb3/FLAGaaf125f5f [2024-10-14 23:50:14,997 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59c57d6e2/bee51b9797114cd08a5606a4031cedb3 [2024-10-14 23:50:15,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 23:50:15,001 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 23:50:15,003 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 23:50:15,004 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 23:50:15,009 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 23:50:15,010 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:50:14" (1/1) ... [2024-10-14 23:50:15,013 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73c52fe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:50:15, skipping insertion in model container [2024-10-14 23:50:15,013 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:50:14" (1/1) ... [2024-10-14 23:50:15,068 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 23:50:15,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:50:15,470 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 23:50:15,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 23:50:15,585 INFO L204 MainTranslator]: Completed translation [2024-10-14 23:50:15,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:50:15 WrapperNode [2024-10-14 23:50:15,588 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 23:50:15,589 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 23:50:15,589 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 23:50:15,590 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 23:50:15,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:50:15" (1/1) ... [2024-10-14 23:50:15,615 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:50:15" (1/1) ... [2024-10-14 23:50:15,656 INFO L138 Inliner]: procedures = 175, calls = 66, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 171 [2024-10-14 23:50:15,656 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 23:50:15,657 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 23:50:15,657 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 23:50:15,657 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 23:50:15,668 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:50:15" (1/1) ... [2024-10-14 23:50:15,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:50:15" (1/1) ... [2024-10-14 23:50:15,677 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:50:15" (1/1) ... [2024-10-14 23:50:15,714 INFO L175 MemorySlicer]: Split 24 memory accesses to 2 slices as follows [2, 22]. 92 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1]. The 7 writes are split as follows [0, 7]. [2024-10-14 23:50:15,718 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:50:15" (1/1) ... [2024-10-14 23:50:15,718 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:50:15" (1/1) ... [2024-10-14 23:50:15,732 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:50:15" (1/1) ... [2024-10-14 23:50:15,734 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:50:15" (1/1) ... [2024-10-14 23:50:15,739 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:50:15" (1/1) ... [2024-10-14 23:50:15,742 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:50:15" (1/1) ... [2024-10-14 23:50:15,747 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 23:50:15,748 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 23:50:15,748 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 23:50:15,748 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 23:50:15,749 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:50:15" (1/1) ... [2024-10-14 23:50:15,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 23:50:15,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 23:50:15,791 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) [2024-10-14 23:50:15,795 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 [2024-10-14 23:50:15,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-14 23:50:15,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-14 23:50:15,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-14 23:50:15,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-14 23:50:15,841 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-14 23:50:15,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 23:50:15,842 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-14 23:50:15,842 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-14 23:50:15,842 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-14 23:50:15,843 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-14 23:50:15,844 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-14 23:50:15,844 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-14 23:50:15,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 23:50:15,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 23:50:15,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-14 23:50:15,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 23:50:15,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 23:50:15,846 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-14 23:50:15,996 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 23:50:15,997 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 23:50:16,518 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-14 23:50:16,518 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 23:50:16,964 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 23:50:16,964 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 23:50:16,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:50:16 BoogieIcfgContainer [2024-10-14 23:50:16,965 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 23:50:16,967 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 23:50:16,967 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 23:50:16,970 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 23:50:16,971 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:50:14" (1/3) ... [2024-10-14 23:50:16,972 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b48c0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:50:16, skipping insertion in model container [2024-10-14 23:50:16,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:50:15" (2/3) ... [2024-10-14 23:50:16,973 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b48c0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:50:16, skipping insertion in model container [2024-10-14 23:50:16,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:50:16" (3/3) ... [2024-10-14 23:50:16,974 INFO L112 eAbstractionObserver]: Analyzing ICFG safe020_power.i [2024-10-14 23:50:16,995 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 23:50:16,995 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-14 23:50:16,995 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-14 23:50:17,073 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-14 23:50:17,110 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 49 places, 39 transitions, 90 flow [2024-10-14 23:50:17,143 INFO L124 PetriNetUnfolderBase]: 0/36 cut-off events. [2024-10-14 23:50:17,144 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 23:50:17,146 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 90 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. [2024-10-14 23:50:17,147 INFO L82 GeneralOperation]: Start removeDead. Operand has 49 places, 39 transitions, 90 flow [2024-10-14 23:50:17,151 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 46 places, 36 transitions, 81 flow [2024-10-14 23:50:17,164 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 23:50:17,174 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;@67a399dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 23:50:17,174 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-10-14 23:50:17,185 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-14 23:50:17,185 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2024-10-14 23:50:17,186 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 23:50:17,186 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:50:17,187 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:50:17,187 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-14 23:50:17,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:50:17,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1087818847, now seen corresponding path program 1 times [2024-10-14 23:50:17,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:50:17,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493475948] [2024-10-14 23:50:17,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:50:17,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:50:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:50:17,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:50:17,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:50:17,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493475948] [2024-10-14 23:50:17,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493475948] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:50:17,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:50:17,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-14 23:50:17,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371141796] [2024-10-14 23:50:17,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:50:17,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 23:50:17,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:50:17,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 23:50:17,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 23:50:17,672 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 39 [2024-10-14 23:50:17,675 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 36 transitions, 81 flow. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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) [2024-10-14 23:50:17,675 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:50:17,676 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 39 [2024-10-14 23:50:17,676 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:50:18,644 INFO L124 PetriNetUnfolderBase]: 2899/4268 cut-off events. [2024-10-14 23:50:18,645 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2024-10-14 23:50:18,658 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8575 conditions, 4268 events. 2899/4268 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 265. Compared 24600 event pairs, 1001 based on Foata normal form. 0/3425 useless extension candidates. Maximal degree in co-relation 8564. Up to 3915 conditions per place. [2024-10-14 23:50:18,708 INFO L140 encePairwiseOnDemand]: 29/39 looper letters, 41 selfloop transitions, 4 changer transitions 0/53 dead transitions. [2024-10-14 23:50:18,708 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 53 transitions, 211 flow [2024-10-14 23:50:18,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 23:50:18,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 23:50:18,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 84 transitions. [2024-10-14 23:50:18,721 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.717948717948718 [2024-10-14 23:50:18,723 INFO L175 Difference]: Start difference. First operand has 46 places, 36 transitions, 81 flow. Second operand 3 states and 84 transitions. [2024-10-14 23:50:18,724 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 53 transitions, 211 flow [2024-10-14 23:50:18,726 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 53 transitions, 206 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-10-14 23:50:18,729 INFO L231 Difference]: Finished difference. Result has 46 places, 39 transitions, 114 flow [2024-10-14 23:50:18,731 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} [2024-10-14 23:50:18,734 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 0 predicate places. [2024-10-14 23:50:18,735 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 39 transitions, 114 flow [2024-10-14 23:50:18,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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) [2024-10-14 23:50:18,735 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:50:18,736 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:50:18,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 23:50:18,736 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-14 23:50:18,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:50:18,737 INFO L85 PathProgramCache]: Analyzing trace with hash -493774470, now seen corresponding path program 1 times [2024-10-14 23:50:18,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:50:18,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131121017] [2024-10-14 23:50:18,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:50:18,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:50:18,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:50:18,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:50:18,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:50:18,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131121017] [2024-10-14 23:50:18,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131121017] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:50:18,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:50:18,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 23:50:18,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350353574] [2024-10-14 23:50:18,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:50:18,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 23:50:18,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:50:18,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 23:50:18,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 23:50:18,960 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 39 [2024-10-14 23:50:18,961 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 39 transitions, 114 flow. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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) [2024-10-14 23:50:18,961 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:50:18,961 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 39 [2024-10-14 23:50:18,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:50:19,641 INFO L124 PetriNetUnfolderBase]: 2055/3044 cut-off events. [2024-10-14 23:50:19,642 INFO L125 PetriNetUnfolderBase]: For 260/260 co-relation queries the response was YES. [2024-10-14 23:50:19,648 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7083 conditions, 3044 events. 2055/3044 cut-off events. For 260/260 co-relation queries the response was YES. Maximal size of possible extension queue 179. Compared 16910 event pairs, 631 based on Foata normal form. 0/2689 useless extension candidates. Maximal degree in co-relation 7072. Up to 2690 conditions per place. [2024-10-14 23:50:19,665 INFO L140 encePairwiseOnDemand]: 32/39 looper letters, 38 selfloop transitions, 4 changer transitions 0/50 dead transitions. [2024-10-14 23:50:19,666 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 50 transitions, 218 flow [2024-10-14 23:50:19,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 23:50:19,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-14 23:50:19,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 89 transitions. [2024-10-14 23:50:19,669 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5705128205128205 [2024-10-14 23:50:19,669 INFO L175 Difference]: Start difference. First operand has 46 places, 39 transitions, 114 flow. Second operand 4 states and 89 transitions. [2024-10-14 23:50:19,669 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 50 transitions, 218 flow [2024-10-14 23:50:19,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 50 transitions, 214 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-14 23:50:19,672 INFO L231 Difference]: Finished difference. Result has 45 places, 36 transitions, 106 flow [2024-10-14 23:50:19,672 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} [2024-10-14 23:50:19,673 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, -1 predicate places. [2024-10-14 23:50:19,673 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 36 transitions, 106 flow [2024-10-14 23:50:19,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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) [2024-10-14 23:50:19,674 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:50:19,674 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 23:50:19,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 23:50:19,674 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-14 23:50:19,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:50:19,675 INFO L85 PathProgramCache]: Analyzing trace with hash -493774469, now seen corresponding path program 1 times [2024-10-14 23:50:19,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:50:19,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006986515] [2024-10-14 23:50:19,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:50:19,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:50:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:50:19,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:50:19,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:50:19,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006986515] [2024-10-14 23:50:19,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006986515] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:50:19,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:50:19,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 23:50:19,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594635328] [2024-10-14 23:50:19,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:50:19,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 23:50:19,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:50:19,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 23:50:19,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 23:50:19,832 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 39 [2024-10-14 23:50:19,833 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 36 transitions, 106 flow. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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) [2024-10-14 23:50:19,833 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:50:19,833 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 39 [2024-10-14 23:50:19,833 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:50:20,518 INFO L124 PetriNetUnfolderBase]: 1511/2264 cut-off events. [2024-10-14 23:50:20,519 INFO L125 PetriNetUnfolderBase]: For 522/522 co-relation queries the response was YES. [2024-10-14 23:50:20,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5172 conditions, 2264 events. 1511/2264 cut-off events. For 522/522 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 12110 event pairs, 257 based on Foata normal form. 0/2181 useless extension candidates. Maximal degree in co-relation 5160. Up to 1077 conditions per place. [2024-10-14 23:50:20,536 INFO L140 encePairwiseOnDemand]: 32/39 looper letters, 50 selfloop transitions, 7 changer transitions 3/68 dead transitions. [2024-10-14 23:50:20,537 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 68 transitions, 302 flow [2024-10-14 23:50:20,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 23:50:20,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-14 23:50:20,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 107 transitions. [2024-10-14 23:50:20,539 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6858974358974359 [2024-10-14 23:50:20,539 INFO L175 Difference]: Start difference. First operand has 45 places, 36 transitions, 106 flow. Second operand 4 states and 107 transitions. [2024-10-14 23:50:20,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 68 transitions, 302 flow [2024-10-14 23:50:20,541 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 68 transitions, 297 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 23:50:20,542 INFO L231 Difference]: Finished difference. Result has 47 places, 36 transitions, 127 flow [2024-10-14 23:50:20,542 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} [2024-10-14 23:50:20,542 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 1 predicate places. [2024-10-14 23:50:20,543 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 36 transitions, 127 flow [2024-10-14 23:50:20,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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) [2024-10-14 23:50:20,544 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 23:50:20,544 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] [2024-10-14 23:50:20,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 23:50:20,544 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-10-14 23:50:20,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 23:50:20,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1862262331, now seen corresponding path program 1 times [2024-10-14 23:50:20,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 23:50:20,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390692352] [2024-10-14 23:50:20,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 23:50:20,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 23:50:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 23:50:20,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 23:50:20,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 23:50:20,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390692352] [2024-10-14 23:50:20,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390692352] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 23:50:20,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 23:50:20,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 23:50:20,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795855310] [2024-10-14 23:50:20,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 23:50:20,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 23:50:20,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 23:50:20,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 23:50:20,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-14 23:50:20,795 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 39 [2024-10-14 23:50:20,795 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 36 transitions, 127 flow. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 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) [2024-10-14 23:50:20,796 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 23:50:20,796 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 39 [2024-10-14 23:50:20,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 23:50:21,320 INFO L124 PetriNetUnfolderBase]: 1243/1876 cut-off events. [2024-10-14 23:50:21,320 INFO L125 PetriNetUnfolderBase]: For 1194/1194 co-relation queries the response was YES. [2024-10-14 23:50:21,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4791 conditions, 1876 events. 1243/1876 cut-off events. For 1194/1194 co-relation queries the response was YES. Maximal size of possible extension queue 126. Compared 10289 event pairs, 197 based on Foata normal form. 72/1937 useless extension candidates. Maximal degree in co-relation 4778. Up to 834 conditions per place. [2024-10-14 23:50:21,327 INFO L140 encePairwiseOnDemand]: 32/39 looper letters, 0 selfloop transitions, 0 changer transitions 62/62 dead transitions. [2024-10-14 23:50:21,328 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 62 transitions, 281 flow [2024-10-14 23:50:21,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 23:50:21,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-14 23:50:21,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 112 transitions. [2024-10-14 23:50:21,330 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5743589743589743 [2024-10-14 23:50:21,330 INFO L175 Difference]: Start difference. First operand has 47 places, 36 transitions, 127 flow. Second operand 5 states and 112 transitions. [2024-10-14 23:50:21,330 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 62 transitions, 281 flow [2024-10-14 23:50:21,333 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 62 transitions, 257 flow, removed 3 selfloop flow, removed 4 redundant places. [2024-10-14 23:50:21,334 INFO L231 Difference]: Finished difference. Result has 44 places, 0 transitions, 0 flow [2024-10-14 23:50:21,334 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} [2024-10-14 23:50:21,336 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, -2 predicate places. [2024-10-14 23:50:21,337 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 0 transitions, 0 flow [2024-10-14 23:50:21,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 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) [2024-10-14 23:50:21,340 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2024-10-14 23:50:21,340 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2024-10-14 23:50:21,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2024-10-14 23:50:21,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2024-10-14 23:50:21,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2024-10-14 23:50:21,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2024-10-14 23:50:21,341 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-10-14 23:50:21,342 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2024-10-14 23:50:21,342 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2024-10-14 23:50:21,342 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2024-10-14 23:50:21,342 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2024-10-14 23:50:21,342 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2024-10-14 23:50:21,343 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2024-10-14 23:50:21,343 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2024-10-14 23:50:21,343 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2024-10-14 23:50:21,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 23:50:21,344 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-14 23:50:21,349 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-14 23:50:21,351 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 23:50:21,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 11:50:21 BasicIcfg [2024-10-14 23:50:21,358 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 23:50:21,359 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 23:50:21,359 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 23:50:21,359 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 23:50:21,360 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:50:16" (3/4) ... [2024-10-14 23:50:21,361 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 23:50:21,364 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-14 23:50:21,364 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-14 23:50:21,364 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-14 23:50:21,371 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 71 nodes and edges [2024-10-14 23:50:21,372 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-10-14 23:50:21,372 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-14 23:50:21,372 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 23:50:21,474 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 23:50:21,475 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 23:50:21,475 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 23:50:21,476 INFO L158 Benchmark]: Toolchain (without parser) took 6474.94ms. Allocated memory was 153.1MB in the beginning and 501.2MB in the end (delta: 348.1MB). Free memory was 120.5MB in the beginning and 173.5MB in the end (delta: -53.0MB). Peak memory consumption was 297.0MB. Max. memory is 16.1GB. [2024-10-14 23:50:21,476 INFO L158 Benchmark]: CDTParser took 0.88ms. Allocated memory is still 153.1MB. Free memory is still 122.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 23:50:21,476 INFO L158 Benchmark]: CACSL2BoogieTranslator took 585.36ms. Allocated memory is still 153.1MB. Free memory was 120.5MB in the beginning and 93.7MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-10-14 23:50:21,477 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.93ms. Allocated memory is still 153.1MB. Free memory was 93.7MB in the beginning and 90.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 23:50:21,477 INFO L158 Benchmark]: Boogie Preprocessor took 90.33ms. Allocated memory is still 153.1MB. Free memory was 90.9MB in the beginning and 85.8MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-14 23:50:21,477 INFO L158 Benchmark]: RCFGBuilder took 1217.64ms. Allocated memory was 153.1MB in the beginning and 190.8MB in the end (delta: 37.7MB). Free memory was 85.8MB in the beginning and 121.0MB in the end (delta: -35.2MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2024-10-14 23:50:21,478 INFO L158 Benchmark]: TraceAbstraction took 4390.70ms. Allocated memory was 190.8MB in the beginning and 501.2MB in the end (delta: 310.4MB). Free memory was 120.0MB in the beginning and 178.7MB in the end (delta: -58.7MB). Peak memory consumption was 286.9MB. Max. memory is 16.1GB. [2024-10-14 23:50:21,478 INFO L158 Benchmark]: Witness Printer took 116.77ms. Allocated memory is still 501.2MB. Free memory was 178.7MB in the beginning and 173.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 23:50:21,480 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.88ms. Allocated memory is still 153.1MB. Free memory is still 122.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 585.36ms. Allocated memory is still 153.1MB. Free memory was 120.5MB in the beginning and 93.7MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.93ms. Allocated memory is still 153.1MB. Free memory was 93.7MB in the beginning and 90.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.33ms. Allocated memory is still 153.1MB. Free memory was 90.9MB in the beginning and 85.8MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1217.64ms. Allocated memory was 153.1MB in the beginning and 190.8MB in the end (delta: 37.7MB). Free memory was 85.8MB in the beginning and 121.0MB in the end (delta: -35.2MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. * TraceAbstraction took 4390.70ms. Allocated memory was 190.8MB in the beginning and 501.2MB in the end (delta: 310.4MB). Free memory was 120.0MB in the beginning and 178.7MB in the end (delta: -58.7MB). Peak memory consumption was 286.9MB. Max. memory is 16.1GB. * Witness Printer took 116.77ms. Allocated memory is still 501.2MB. Free memory was 178.7MB in the beginning and 173.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 782]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 782]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 808]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 808]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 844]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 844]: 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: 4.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 149 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 141 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 280 IncrementalHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 2 mSDtfsCounter, 280 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, 0.2s SatisfiabilityAnalysisTime, 0.7s 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! [2024-10-14 23:50:21,508 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE