./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d 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/safe015_power.oepc.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 1568f4b0615eb98ed6bee584aeda19485d9df0ed08c84a8233a5817e939c5388 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 14:59:03,659 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 14:59:03,723 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 14:59:03,729 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 14:59:03,731 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 14:59:03,754 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 14:59:03,754 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 14:59:03,755 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 14:59:03,755 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 14:59:03,756 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 14:59:03,756 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 14:59:03,756 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 14:59:03,757 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 14:59:03,757 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 14:59:03,757 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 14:59:03,758 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 14:59:03,758 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 14:59:03,758 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 14:59:03,759 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 14:59:03,759 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 14:59:03,759 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 14:59:03,760 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 14:59:03,760 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 14:59:03,761 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 14:59:03,761 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 14:59:03,761 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 14:59:03,761 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 14:59:03,765 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 14:59:03,767 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 14:59:03,767 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 14:59:03,768 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 14:59:03,768 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 14:59:03,768 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 14:59:03,768 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 14:59:03,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 14:59:03,769 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 14:59:03,769 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 14:59:03,769 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 14:59:03,769 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 14:59:03,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 14:59:03,770 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 14:59:03,771 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 14:59:03,771 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 14:59:03,771 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 14:59:03,771 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1568f4b0615eb98ed6bee584aeda19485d9df0ed08c84a8233a5817e939c5388 [2024-11-09 14:59:04,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 14:59:04,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 14:59:04,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 14:59:04,041 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 14:59:04,041 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 14:59:04,042 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i [2024-11-09 14:59:05,532 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 14:59:05,799 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 14:59:05,800 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe015_power.oepc.i [2024-11-09 14:59:05,824 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26dedb541/b023f9007a774758a3b304690158a784/FLAGb31f5bdcb [2024-11-09 14:59:06,110 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/26dedb541/b023f9007a774758a3b304690158a784 [2024-11-09 14:59:06,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 14:59:06,115 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 14:59:06,118 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 14:59:06,118 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 14:59:06,124 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 14:59:06,125 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:59:06" (1/1) ... [2024-11-09 14:59:06,125 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28d8e438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:06, skipping insertion in model container [2024-11-09 14:59:06,126 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:59:06" (1/1) ... [2024-11-09 14:59:06,201 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 14:59:06,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 14:59:06,613 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 14:59:06,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 14:59:06,733 INFO L204 MainTranslator]: Completed translation [2024-11-09 14:59:06,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:06 WrapperNode [2024-11-09 14:59:06,734 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 14:59:06,735 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 14:59:06,735 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 14:59:06,736 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 14:59:06,743 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:06" (1/1) ... [2024-11-09 14:59:06,766 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:06" (1/1) ... [2024-11-09 14:59:06,797 INFO L138 Inliner]: procedures = 175, calls = 75, calls flagged for inlining = 7, calls inlined = 9, statements flattened = 226 [2024-11-09 14:59:06,798 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 14:59:06,799 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 14:59:06,799 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 14:59:06,799 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 14:59:06,809 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:06" (1/1) ... [2024-11-09 14:59:06,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:06" (1/1) ... [2024-11-09 14:59:06,815 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:06" (1/1) ... [2024-11-09 14:59:06,843 INFO L175 MemorySlicer]: Split 30 memory accesses to 2 slices as follows [2, 28]. 93 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1]. The 9 writes are split as follows [0, 9]. [2024-11-09 14:59:06,843 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:06" (1/1) ... [2024-11-09 14:59:06,843 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:06" (1/1) ... [2024-11-09 14:59:06,857 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:06" (1/1) ... [2024-11-09 14:59:06,860 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:06" (1/1) ... [2024-11-09 14:59:06,863 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:06" (1/1) ... [2024-11-09 14:59:06,865 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:06" (1/1) ... [2024-11-09 14:59:06,870 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 14:59:06,876 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 14:59:06,876 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 14:59:06,877 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 14:59:06,877 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:06" (1/1) ... [2024-11-09 14:59:06,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 14:59:06,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 14:59:06,913 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) [2024-11-09 14:59:06,921 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 [2024-11-09 14:59:06,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 14:59:06,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 14:59:06,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 14:59:06,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 14:59:06,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-09 14:59:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 14:59:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-09 14:59:06,971 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-09 14:59:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-09 14:59:06,972 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-09 14:59:06,973 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-09 14:59:06,973 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-09 14:59:06,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 14:59:06,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 14:59:06,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-09 14:59:06,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 14:59:06,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 14:59:06,976 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 14:59:07,171 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 14:59:07,173 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 14:59:07,747 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 14:59:07,749 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 14:59:08,212 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 14:59:08,212 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 14:59:08,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:59:08 BoogieIcfgContainer [2024-11-09 14:59:08,213 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 14:59:08,215 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 14:59:08,216 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 14:59:08,220 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 14:59:08,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 02:59:06" (1/3) ... [2024-11-09 14:59:08,221 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@367747e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:59:08, skipping insertion in model container [2024-11-09 14:59:08,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:59:06" (2/3) ... [2024-11-09 14:59:08,223 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@367747e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:59:08, skipping insertion in model container [2024-11-09 14:59:08,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:59:08" (3/3) ... [2024-11-09 14:59:08,224 INFO L112 eAbstractionObserver]: Analyzing ICFG safe015_power.oepc.i [2024-11-09 14:59:08,243 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 14:59:08,243 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-09 14:59:08,243 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 14:59:08,326 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-09 14:59:08,364 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 50 places, 40 transitions, 92 flow [2024-11-09 14:59:08,401 INFO L124 PetriNetUnfolderBase]: 0/37 cut-off events. [2024-11-09 14:59:08,402 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 14:59:08,405 INFO L83 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 37 events. 0/37 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 88 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-11-09 14:59:08,405 INFO L82 GeneralOperation]: Start removeDead. Operand has 50 places, 40 transitions, 92 flow [2024-11-09 14:59:08,409 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 47 places, 37 transitions, 83 flow [2024-11-09 14:59:08,423 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 14:59:08,432 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;@1207c020, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 14:59:08,432 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-11-09 14:59:08,442 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 14:59:08,442 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events. [2024-11-09 14:59:08,443 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 14:59:08,443 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 14:59:08,444 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:59:08,445 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 14:59:08,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:59:08,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1295064377, now seen corresponding path program 1 times [2024-11-09 14:59:08,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:59:08,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158005099] [2024-11-09 14:59:08,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:59:08,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:59:08,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:59:08,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:59:08,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:59:08,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158005099] [2024-11-09 14:59:08,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158005099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:59:08,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:59:08,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-09 14:59:08,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965333279] [2024-11-09 14:59:08,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:59:08,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 14:59:08,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:59:08,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 14:59:08,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 14:59:08,966 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 40 [2024-11-09 14:59:08,969 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 37 transitions, 83 flow. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2024-11-09 14:59:08,969 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 14:59:08,969 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 40 [2024-11-09 14:59:08,970 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 14:59:10,334 INFO L124 PetriNetUnfolderBase]: 3311/4850 cut-off events. [2024-11-09 14:59:10,334 INFO L125 PetriNetUnfolderBase]: For 30/30 co-relation queries the response was YES. [2024-11-09 14:59:10,351 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9753 conditions, 4850 events. 3311/4850 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 289. Compared 27789 event pairs, 1115 based on Foata normal form. 0/3949 useless extension candidates. Maximal degree in co-relation 9742. Up to 4385 conditions per place. [2024-11-09 14:59:10,378 INFO L140 encePairwiseOnDemand]: 30/40 looper letters, 43 selfloop transitions, 4 changer transitions 0/55 dead transitions. [2024-11-09 14:59:10,378 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 55 transitions, 219 flow [2024-11-09 14:59:10,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 14:59:10,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 14:59:10,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 86 transitions. [2024-11-09 14:59:10,391 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7166666666666667 [2024-11-09 14:59:10,392 INFO L175 Difference]: Start difference. First operand has 47 places, 37 transitions, 83 flow. Second operand 3 states and 86 transitions. [2024-11-09 14:59:10,393 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 55 transitions, 219 flow [2024-11-09 14:59:10,396 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 55 transitions, 214 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-09 14:59:10,398 INFO L231 Difference]: Finished difference. Result has 47 places, 40 transitions, 116 flow [2024-11-09 14:59:10,400 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=116, PETRI_PLACES=47, PETRI_TRANSITIONS=40} [2024-11-09 14:59:10,404 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 0 predicate places. [2024-11-09 14:59:10,405 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 40 transitions, 116 flow [2024-11-09 14:59:10,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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) [2024-11-09 14:59:10,405 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 14:59:10,405 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:59:10,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 14:59:10,406 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 14:59:10,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:59:10,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1220878420, now seen corresponding path program 1 times [2024-11-09 14:59:10,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:59:10,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083025995] [2024-11-09 14:59:10,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:59:10,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:59:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:59:10,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:59:10,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:59:10,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083025995] [2024-11-09 14:59:10,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083025995] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:59:10,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:59:10,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 14:59:10,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766069795] [2024-11-09 14:59:10,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:59:10,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 14:59:10,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:59:10,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 14:59:10,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 14:59:10,619 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 40 [2024-11-09 14:59:10,619 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 40 transitions, 116 flow. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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) [2024-11-09 14:59:10,619 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 14:59:10,619 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 40 [2024-11-09 14:59:10,619 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 14:59:11,560 INFO L124 PetriNetUnfolderBase]: 2411/3546 cut-off events. [2024-11-09 14:59:11,561 INFO L125 PetriNetUnfolderBase]: For 292/292 co-relation queries the response was YES. [2024-11-09 14:59:11,566 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8213 conditions, 3546 events. 2411/3546 cut-off events. For 292/292 co-relation queries the response was YES. Maximal size of possible extension queue 199. Compared 19662 event pairs, 733 based on Foata normal form. 0/3157 useless extension candidates. Maximal degree in co-relation 8202. Up to 3080 conditions per place. [2024-11-09 14:59:11,581 INFO L140 encePairwiseOnDemand]: 33/40 looper letters, 40 selfloop transitions, 4 changer transitions 0/52 dead transitions. [2024-11-09 14:59:11,582 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 52 transitions, 226 flow [2024-11-09 14:59:11,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 14:59:11,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-09 14:59:11,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 91 transitions. [2024-11-09 14:59:11,585 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.56875 [2024-11-09 14:59:11,585 INFO L175 Difference]: Start difference. First operand has 47 places, 40 transitions, 116 flow. Second operand 4 states and 91 transitions. [2024-11-09 14:59:11,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 52 transitions, 226 flow [2024-11-09 14:59:11,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 52 transitions, 222 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-09 14:59:11,590 INFO L231 Difference]: Finished difference. Result has 46 places, 37 transitions, 108 flow [2024-11-09 14:59:11,591 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=108, PETRI_PLACES=46, PETRI_TRANSITIONS=37} [2024-11-09 14:59:11,591 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, -1 predicate places. [2024-11-09 14:59:11,592 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 37 transitions, 108 flow [2024-11-09 14:59:11,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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) [2024-11-09 14:59:11,592 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 14:59:11,593 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 14:59:11,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 14:59:11,593 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 14:59:11,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:59:11,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1220878419, now seen corresponding path program 1 times [2024-11-09 14:59:11,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:59:11,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487670910] [2024-11-09 14:59:11,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:59:11,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:59:11,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:59:11,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:59:11,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:59:11,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487670910] [2024-11-09 14:59:11,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487670910] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:59:11,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:59:11,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 14:59:11,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502556651] [2024-11-09 14:59:11,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:59:11,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 14:59:11,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:59:11,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 14:59:11,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 14:59:11,750 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 40 [2024-11-09 14:59:11,751 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 37 transitions, 108 flow. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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) [2024-11-09 14:59:11,751 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 14:59:11,751 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 40 [2024-11-09 14:59:11,751 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 14:59:12,435 INFO L124 PetriNetUnfolderBase]: 1811/2686 cut-off events. [2024-11-09 14:59:12,435 INFO L125 PetriNetUnfolderBase]: For 606/606 co-relation queries the response was YES. [2024-11-09 14:59:12,440 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6118 conditions, 2686 events. 1811/2686 cut-off events. For 606/606 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 14327 event pairs, 335 based on Foata normal form. 0/2593 useless extension candidates. Maximal degree in co-relation 6106. Up to 1169 conditions per place. [2024-11-09 14:59:12,451 INFO L140 encePairwiseOnDemand]: 33/40 looper letters, 53 selfloop transitions, 7 changer transitions 3/71 dead transitions. [2024-11-09 14:59:12,451 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 71 transitions, 314 flow [2024-11-09 14:59:12,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 14:59:12,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-09 14:59:12,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 110 transitions. [2024-11-09 14:59:12,453 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6875 [2024-11-09 14:59:12,453 INFO L175 Difference]: Start difference. First operand has 46 places, 37 transitions, 108 flow. Second operand 4 states and 110 transitions. [2024-11-09 14:59:12,453 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 71 transitions, 314 flow [2024-11-09 14:59:12,454 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 71 transitions, 309 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 14:59:12,456 INFO L231 Difference]: Finished difference. Result has 48 places, 37 transitions, 129 flow [2024-11-09 14:59:12,456 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=103, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=129, PETRI_PLACES=48, PETRI_TRANSITIONS=37} [2024-11-09 14:59:12,457 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, 1 predicate places. [2024-11-09 14:59:12,458 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 37 transitions, 129 flow [2024-11-09 14:59:12,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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) [2024-11-09 14:59:12,458 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 14:59:12,458 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, 1] [2024-11-09 14:59:12,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 14:59:12,459 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2024-11-09 14:59:12,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 14:59:12,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1381570594, now seen corresponding path program 1 times [2024-11-09 14:59:12,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 14:59:12,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559141627] [2024-11-09 14:59:12,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 14:59:12,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 14:59:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 14:59:12,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 14:59:12,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 14:59:12,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559141627] [2024-11-09 14:59:12,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559141627] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 14:59:12,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 14:59:12,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 14:59:12,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055664447] [2024-11-09 14:59:12,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 14:59:12,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 14:59:12,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 14:59:12,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 14:59:12,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-09 14:59:12,676 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 40 [2024-11-09 14:59:12,677 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 37 transitions, 129 flow. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 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) [2024-11-09 14:59:12,677 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 14:59:12,677 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 40 [2024-11-09 14:59:12,677 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 14:59:13,450 INFO L124 PetriNetUnfolderBase]: 1543/2298 cut-off events. [2024-11-09 14:59:13,451 INFO L125 PetriNetUnfolderBase]: For 1386/1386 co-relation queries the response was YES. [2024-11-09 14:59:13,456 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5817 conditions, 2298 events. 1543/2298 cut-off events. For 1386/1386 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 12619 event pairs, 275 based on Foata normal form. 72/2349 useless extension candidates. Maximal degree in co-relation 5804. Up to 1052 conditions per place. [2024-11-09 14:59:13,460 INFO L140 encePairwiseOnDemand]: 33/40 looper letters, 0 selfloop transitions, 0 changer transitions 65/65 dead transitions. [2024-11-09 14:59:13,460 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 65 transitions, 293 flow [2024-11-09 14:59:13,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 14:59:13,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-09 14:59:13,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 115 transitions. [2024-11-09 14:59:13,462 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.575 [2024-11-09 14:59:13,462 INFO L175 Difference]: Start difference. First operand has 48 places, 37 transitions, 129 flow. Second operand 5 states and 115 transitions. [2024-11-09 14:59:13,462 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 65 transitions, 293 flow [2024-11-09 14:59:13,465 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 65 transitions, 269 flow, removed 3 selfloop flow, removed 4 redundant places. [2024-11-09 14:59:13,465 INFO L231 Difference]: Finished difference. Result has 45 places, 0 transitions, 0 flow [2024-11-09 14:59:13,466 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=40, PETRI_DIFFERENCE_MINUEND_FLOW=87, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=45, PETRI_TRANSITIONS=0} [2024-11-09 14:59:13,466 INFO L277 CegarLoopForPetriNet]: 47 programPoint places, -2 predicate places. [2024-11-09 14:59:13,467 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 0 transitions, 0 flow [2024-11-09 14:59:13,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 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) [2024-11-09 14:59:13,470 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2024-11-09 14:59:13,470 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2024-11-09 14:59:13,471 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2024-11-09 14:59:13,471 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2024-11-09 14:59:13,471 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2024-11-09 14:59:13,471 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2024-11-09 14:59:13,472 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2024-11-09 14:59:13,472 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2024-11-09 14:59:13,472 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2024-11-09 14:59:13,472 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2024-11-09 14:59:13,473 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2024-11-09 14:59:13,473 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2024-11-09 14:59:13,473 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2024-11-09 14:59:13,473 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2024-11-09 14:59:13,474 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2024-11-09 14:59:13,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 14:59:13,474 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-09 14:59:13,480 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 14:59:13,480 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 14:59:13,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 02:59:13 BasicIcfg [2024-11-09 14:59:13,486 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 14:59:13,486 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 14:59:13,487 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 14:59:13,487 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 14:59:13,487 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:59:08" (3/4) ... [2024-11-09 14:59:13,489 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 14:59:13,492 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-09 14:59:13,492 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-09 14:59:13,492 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-09 14:59:13,497 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 72 nodes and edges [2024-11-09 14:59:13,497 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-09 14:59:13,497 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 14:59:13,497 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 14:59:13,592 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 14:59:13,593 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 14:59:13,593 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 14:59:13,594 INFO L158 Benchmark]: Toolchain (without parser) took 7478.43ms. Allocated memory was 161.5MB in the beginning and 826.3MB in the end (delta: 664.8MB). Free memory was 92.8MB in the beginning and 465.6MB in the end (delta: -372.8MB). Peak memory consumption was 294.5MB. Max. memory is 16.1GB. [2024-11-09 14:59:13,594 INFO L158 Benchmark]: CDTParser took 0.83ms. Allocated memory is still 109.1MB. Free memory is still 70.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 14:59:13,594 INFO L158 Benchmark]: CACSL2BoogieTranslator took 617.11ms. Allocated memory is still 161.5MB. Free memory was 92.6MB in the beginning and 107.6MB in the end (delta: -15.0MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2024-11-09 14:59:13,594 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.72ms. Allocated memory is still 161.5MB. Free memory was 107.6MB in the beginning and 104.2MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 14:59:13,595 INFO L158 Benchmark]: Boogie Preprocessor took 71.71ms. Allocated memory is still 161.5MB. Free memory was 104.2MB in the beginning and 98.6MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 14:59:13,595 INFO L158 Benchmark]: RCFGBuilder took 1336.71ms. Allocated memory is still 161.5MB. Free memory was 98.6MB in the beginning and 110.2MB in the end (delta: -11.6MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. [2024-11-09 14:59:13,595 INFO L158 Benchmark]: TraceAbstraction took 5270.54ms. Allocated memory was 161.5MB in the beginning and 826.3MB in the end (delta: 664.8MB). Free memory was 109.1MB in the beginning and 470.8MB in the end (delta: -361.7MB). Peak memory consumption was 309.4MB. Max. memory is 16.1GB. [2024-11-09 14:59:13,596 INFO L158 Benchmark]: Witness Printer took 106.84ms. Allocated memory is still 826.3MB. Free memory was 470.8MB in the beginning and 465.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 14:59:13,599 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83ms. Allocated memory is still 109.1MB. Free memory is still 70.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 617.11ms. Allocated memory is still 161.5MB. Free memory was 92.6MB in the beginning and 107.6MB in the end (delta: -15.0MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.72ms. Allocated memory is still 161.5MB. Free memory was 107.6MB in the beginning and 104.2MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.71ms. Allocated memory is still 161.5MB. Free memory was 104.2MB in the beginning and 98.6MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1336.71ms. Allocated memory is still 161.5MB. Free memory was 98.6MB in the beginning and 110.2MB in the end (delta: -11.6MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. * TraceAbstraction took 5270.54ms. Allocated memory was 161.5MB in the beginning and 826.3MB in the end (delta: 664.8MB). Free memory was 109.1MB in the beginning and 470.8MB in the end (delta: -361.7MB). Peak memory consumption was 309.4MB. Max. memory is 16.1GB. * Witness Printer took 106.84ms. Allocated memory is still 826.3MB. Free memory was 470.8MB in the beginning and 465.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. 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: 820]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 820]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 856]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 856]: 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, 72 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: 5.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 131 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 123 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 294 IncrementalHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 1 mSDtfsCounter, 294 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=129occurred 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, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 168 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! [2024-11-09 14:59:13,631 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