./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/safe016_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d 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/safe016_rmo.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e946e8dea30db7efb52f6f71a24f03cd895152f9df0eae9d8d1291d135f806ee --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 16:37:18,653 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 16:37:18,719 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 16:37:18,723 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 16:37:18,724 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 16:37:18,749 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 16:37:18,749 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 16:37:18,750 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 16:37:18,751 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 16:37:18,752 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 16:37:18,752 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 16:37:18,753 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 16:37:18,753 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 16:37:18,755 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 16:37:18,756 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 16:37:18,756 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 16:37:18,756 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 16:37:18,757 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 16:37:18,757 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 16:37:18,757 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 16:37:18,758 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 16:37:18,758 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 16:37:18,758 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 16:37:18,759 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 16:37:18,759 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 16:37:18,759 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 16:37:18,760 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 16:37:18,760 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 16:37:18,760 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 16:37:18,761 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 16:37:18,762 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 16:37:18,763 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 16:37:18,763 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 16:37:18,763 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 16:37:18,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:37:18,764 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 16:37:18,764 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 16:37:18,764 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 16:37:18,764 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 16:37:18,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 16:37:18,765 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 16:37:18,766 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 16:37:18,766 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 16:37:18,766 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 16:37:18,767 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e946e8dea30db7efb52f6f71a24f03cd895152f9df0eae9d8d1291d135f806ee [2024-10-13 16:37:19,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 16:37:19,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 16:37:19,060 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 16:37:19,061 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 16:37:19,062 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 16:37:19,063 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe016_rmo.opt.i [2024-10-13 16:37:20,514 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 16:37:20,769 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 16:37:20,770 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe016_rmo.opt.i [2024-10-13 16:37:20,789 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b79c095a/e3d17f42f9e24dd2a64479ebd896fbb2/FLAGfa8cb68cb [2024-10-13 16:37:21,088 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b79c095a/e3d17f42f9e24dd2a64479ebd896fbb2 [2024-10-13 16:37:21,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 16:37:21,091 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 16:37:21,092 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 16:37:21,092 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 16:37:21,099 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 16:37:21,099 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:37:21" (1/1) ... [2024-10-13 16:37:21,100 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25204fb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:37:21, skipping insertion in model container [2024-10-13 16:37:21,100 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:37:21" (1/1) ... [2024-10-13 16:37:21,148 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 16:37:21,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:37:21,660 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 16:37:21,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:37:21,811 INFO L204 MainTranslator]: Completed translation [2024-10-13 16:37:21,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:37:21 WrapperNode [2024-10-13 16:37:21,812 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 16:37:21,813 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 16:37:21,814 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 16:37:21,814 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 16:37:21,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:37:21" (1/1) ... [2024-10-13 16:37:21,846 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:37:21" (1/1) ... [2024-10-13 16:37:21,884 INFO L138 Inliner]: procedures = 176, calls = 74, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 172 [2024-10-13 16:37:21,888 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 16:37:21,889 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 16:37:21,889 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 16:37:21,889 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 16:37:21,902 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:37:21" (1/1) ... [2024-10-13 16:37:21,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:37:21" (1/1) ... [2024-10-13 16:37:21,909 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:37:21" (1/1) ... [2024-10-13 16:37:21,943 INFO L175 MemorySlicer]: Split 28 memory accesses to 2 slices as follows [2, 26]. 93 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1]. The 11 writes are split as follows [0, 11]. [2024-10-13 16:37:21,945 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:37:21" (1/1) ... [2024-10-13 16:37:21,946 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:37:21" (1/1) ... [2024-10-13 16:37:21,957 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:37:21" (1/1) ... [2024-10-13 16:37:21,959 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:37:21" (1/1) ... [2024-10-13 16:37:21,961 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:37:21" (1/1) ... [2024-10-13 16:37:21,963 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:37:21" (1/1) ... [2024-10-13 16:37:21,971 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 16:37:21,976 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 16:37:21,976 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 16:37:21,976 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 16:37:21,977 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:37:21" (1/1) ... [2024-10-13 16:37:21,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:37:22,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:37:22,017 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) [2024-10-13 16:37:22,019 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 [2024-10-13 16:37:22,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 16:37:22,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 16:37:22,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 16:37:22,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 16:37:22,066 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-13 16:37:22,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 16:37:22,067 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-13 16:37:22,067 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-13 16:37:22,067 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-13 16:37:22,067 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-13 16:37:22,068 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-13 16:37:22,068 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-13 16:37:22,068 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-10-13 16:37:22,068 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-10-13 16:37:22,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 16:37:22,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 16:37:22,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-13 16:37:22,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 16:37:22,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 16:37:22,071 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-13 16:37:22,233 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 16:37:22,235 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 16:37:22,776 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 16:37:22,776 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 16:37:23,274 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 16:37:23,275 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 16:37:23,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:37:23 BoogieIcfgContainer [2024-10-13 16:37:23,275 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 16:37:23,279 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 16:37:23,279 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 16:37:23,282 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 16:37:23,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:37:21" (1/3) ... [2024-10-13 16:37:23,283 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71a5672e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:37:23, skipping insertion in model container [2024-10-13 16:37:23,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:37:21" (2/3) ... [2024-10-13 16:37:23,285 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71a5672e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:37:23, skipping insertion in model container [2024-10-13 16:37:23,285 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:37:23" (3/3) ... [2024-10-13 16:37:23,287 INFO L112 eAbstractionObserver]: Analyzing ICFG safe016_rmo.opt.i [2024-10-13 16:37:23,304 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 16:37:23,304 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-10-13 16:37:23,304 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 16:37:23,375 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-13 16:37:23,409 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 61 places, 48 transitions, 112 flow [2024-10-13 16:37:23,443 INFO L124 PetriNetUnfolderBase]: 0/44 cut-off events. [2024-10-13 16:37:23,443 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 16:37:23,446 INFO L83 FinitePrefix]: Finished finitePrefix Result has 57 conditions, 44 events. 0/44 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 111 event pairs, 0 based on Foata normal form. 0/36 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-10-13 16:37:23,447 INFO L82 GeneralOperation]: Start removeDead. Operand has 61 places, 48 transitions, 112 flow [2024-10-13 16:37:23,450 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 57 places, 44 transitions, 100 flow [2024-10-13 16:37:23,459 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 16:37:23,467 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;@6834ac15, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 16:37:23,468 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-10-13 16:37:23,476 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 16:37:23,476 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-10-13 16:37:23,476 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 16:37:23,477 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:37:23,477 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:37:23,478 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-10-13 16:37:23,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:37:23,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1223445427, now seen corresponding path program 1 times [2024-10-13 16:37:23,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:37:23,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135025365] [2024-10-13 16:37:23,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:37:23,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:37:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:37:23,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:37:23,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:37:23,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135025365] [2024-10-13 16:37:23,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135025365] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:37:23,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:37:23,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 16:37:23,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466248997] [2024-10-13 16:37:23,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:37:23,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:37:23,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:37:23,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:37:23,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:37:23,914 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 48 [2024-10-13 16:37:23,917 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 44 transitions, 100 flow. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:37:23,917 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:37:23,917 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 48 [2024-10-13 16:37:23,918 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:37:30,339 INFO L124 PetriNetUnfolderBase]: 31015/41374 cut-off events. [2024-10-13 16:37:30,339 INFO L125 PetriNetUnfolderBase]: For 259/259 co-relation queries the response was YES. [2024-10-13 16:37:30,422 INFO L83 FinitePrefix]: Finished finitePrefix Result has 83202 conditions, 41374 events. 31015/41374 cut-off events. For 259/259 co-relation queries the response was YES. Maximal size of possible extension queue 1805. Compared 253191 event pairs, 11945 based on Foata normal form. 0/31346 useless extension candidates. Maximal degree in co-relation 83190. Up to 39959 conditions per place. [2024-10-13 16:37:30,682 INFO L140 encePairwiseOnDemand]: 35/48 looper letters, 53 selfloop transitions, 5 changer transitions 0/66 dead transitions. [2024-10-13 16:37:30,683 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 66 transitions, 269 flow [2024-10-13 16:37:30,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:37:30,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 16:37:30,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 102 transitions. [2024-10-13 16:37:30,696 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7083333333333334 [2024-10-13 16:37:30,698 INFO L175 Difference]: Start difference. First operand has 57 places, 44 transitions, 100 flow. Second operand 3 states and 102 transitions. [2024-10-13 16:37:30,699 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 66 transitions, 269 flow [2024-10-13 16:37:30,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 66 transitions, 262 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-13 16:37:30,713 INFO L231 Difference]: Finished difference. Result has 56 places, 48 transitions, 143 flow [2024-10-13 16:37:30,716 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=143, PETRI_PLACES=56, PETRI_TRANSITIONS=48} [2024-10-13 16:37:30,721 INFO L277 CegarLoopForPetriNet]: 57 programPoint places, -1 predicate places. [2024-10-13 16:37:30,721 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 48 transitions, 143 flow [2024-10-13 16:37:30,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:37:30,722 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:37:30,722 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:37:30,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 16:37:30,722 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-10-13 16:37:30,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:37:30,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1277516396, now seen corresponding path program 1 times [2024-10-13 16:37:30,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:37:30,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744973480] [2024-10-13 16:37:30,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:37:30,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:37:30,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:37:30,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:37:30,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:37:30,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744973480] [2024-10-13 16:37:30,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744973480] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:37:30,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:37:30,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:37:30,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609495635] [2024-10-13 16:37:30,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:37:30,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:37:30,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:37:30,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:37:30,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:37:30,923 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 48 [2024-10-13 16:37:30,924 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 48 transitions, 143 flow. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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) [2024-10-13 16:37:30,924 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:37:30,924 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 48 [2024-10-13 16:37:30,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:37:34,696 INFO L124 PetriNetUnfolderBase]: 18089/24288 cut-off events. [2024-10-13 16:37:34,697 INFO L125 PetriNetUnfolderBase]: For 1745/1745 co-relation queries the response was YES. [2024-10-13 16:37:34,755 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56829 conditions, 24288 events. 18089/24288 cut-off events. For 1745/1745 co-relation queries the response was YES. Maximal size of possible extension queue 1095. Compared 143321 event pairs, 5905 based on Foata normal form. 0/20760 useless extension candidates. Maximal degree in co-relation 56818. Up to 22872 conditions per place. [2024-10-13 16:37:34,857 INFO L140 encePairwiseOnDemand]: 39/48 looper letters, 49 selfloop transitions, 5 changer transitions 0/62 dead transitions. [2024-10-13 16:37:34,857 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 62 transitions, 277 flow [2024-10-13 16:37:34,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:37:34,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-13 16:37:34,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 106 transitions. [2024-10-13 16:37:34,861 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5520833333333334 [2024-10-13 16:37:34,861 INFO L175 Difference]: Start difference. First operand has 56 places, 48 transitions, 143 flow. Second operand 4 states and 106 transitions. [2024-10-13 16:37:34,861 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 62 transitions, 277 flow [2024-10-13 16:37:34,865 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 62 transitions, 272 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 16:37:34,866 INFO L231 Difference]: Finished difference. Result has 54 places, 44 transitions, 132 flow [2024-10-13 16:37:34,867 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=132, PETRI_PLACES=54, PETRI_TRANSITIONS=44} [2024-10-13 16:37:34,868 INFO L277 CegarLoopForPetriNet]: 57 programPoint places, -3 predicate places. [2024-10-13 16:37:34,868 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 44 transitions, 132 flow [2024-10-13 16:37:34,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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) [2024-10-13 16:37:34,869 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:37:34,869 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:37:34,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 16:37:34,870 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-10-13 16:37:34,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:37:34,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1277516395, now seen corresponding path program 1 times [2024-10-13 16:37:34,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:37:34,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439505715] [2024-10-13 16:37:34,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:37:34,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:37:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:37:35,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:37:35,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:37:35,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439505715] [2024-10-13 16:37:35,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439505715] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:37:35,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:37:35,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:37:35,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667494889] [2024-10-13 16:37:35,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:37:35,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:37:35,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:37:35,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:37:35,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:37:35,013 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 48 [2024-10-13 16:37:35,013 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 44 transitions, 132 flow. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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) [2024-10-13 16:37:35,014 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:37:35,014 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 48 [2024-10-13 16:37:35,015 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:37:36,912 INFO L124 PetriNetUnfolderBase]: 12787/17370 cut-off events. [2024-10-13 16:37:36,912 INFO L125 PetriNetUnfolderBase]: For 2612/2612 co-relation queries the response was YES. [2024-10-13 16:37:36,934 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39822 conditions, 17370 events. 12787/17370 cut-off events. For 2612/2612 co-relation queries the response was YES. Maximal size of possible extension queue 725. Compared 99736 event pairs, 2221 based on Foata normal form. 0/15981 useless extension candidates. Maximal degree in co-relation 39810. Up to 11905 conditions per place. [2024-10-13 16:37:37,011 INFO L140 encePairwiseOnDemand]: 39/48 looper letters, 69 selfloop transitions, 9 changer transitions 0/86 dead transitions. [2024-10-13 16:37:37,011 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 86 transitions, 390 flow [2024-10-13 16:37:37,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:37:37,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-13 16:37:37,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 130 transitions. [2024-10-13 16:37:37,014 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6770833333333334 [2024-10-13 16:37:37,014 INFO L175 Difference]: Start difference. First operand has 54 places, 44 transitions, 132 flow. Second operand 4 states and 130 transitions. [2024-10-13 16:37:37,014 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 86 transitions, 390 flow [2024-10-13 16:37:37,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 86 transitions, 384 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 16:37:37,019 INFO L231 Difference]: Finished difference. Result has 56 places, 48 transitions, 184 flow [2024-10-13 16:37:37,019 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=184, PETRI_PLACES=56, PETRI_TRANSITIONS=48} [2024-10-13 16:37:37,020 INFO L277 CegarLoopForPetriNet]: 57 programPoint places, -1 predicate places. [2024-10-13 16:37:37,020 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 48 transitions, 184 flow [2024-10-13 16:37:37,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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) [2024-10-13 16:37:37,021 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:37:37,021 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] [2024-10-13 16:37:37,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 16:37:37,021 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-10-13 16:37:37,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:37:37,022 INFO L85 PathProgramCache]: Analyzing trace with hash 917307751, now seen corresponding path program 1 times [2024-10-13 16:37:37,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:37:37,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845125227] [2024-10-13 16:37:37,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:37:37,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:37:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:37:37,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:37:37,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:37:37,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845125227] [2024-10-13 16:37:37,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845125227] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:37:37,278 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:37:37,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 16:37:37,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900950946] [2024-10-13 16:37:37,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:37:37,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 16:37:37,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:37:37,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 16:37:37,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:37:37,287 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 48 [2024-10-13 16:37:37,287 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 48 transitions, 184 flow. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 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) [2024-10-13 16:37:37,287 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:37:37,287 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 48 [2024-10-13 16:37:37,288 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:37:39,650 INFO L124 PetriNetUnfolderBase]: 10087/13710 cut-off events. [2024-10-13 16:37:39,650 INFO L125 PetriNetUnfolderBase]: For 6375/6375 co-relation queries the response was YES. [2024-10-13 16:37:39,681 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35161 conditions, 13710 events. 10087/13710 cut-off events. For 6375/6375 co-relation queries the response was YES. Maximal size of possible extension queue 596. Compared 77256 event pairs, 1037 based on Foata normal form. 0/13425 useless extension candidates. Maximal degree in co-relation 35148. Up to 4716 conditions per place. [2024-10-13 16:37:39,749 INFO L140 encePairwiseOnDemand]: 39/48 looper letters, 83 selfloop transitions, 13 changer transitions 4/108 dead transitions. [2024-10-13 16:37:39,749 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 108 transitions, 532 flow [2024-10-13 16:37:39,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 16:37:39,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-13 16:37:39,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 164 transitions. [2024-10-13 16:37:39,751 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6833333333333333 [2024-10-13 16:37:39,751 INFO L175 Difference]: Start difference. First operand has 56 places, 48 transitions, 184 flow. Second operand 5 states and 164 transitions. [2024-10-13 16:37:39,751 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 108 transitions, 532 flow [2024-10-13 16:37:39,761 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 108 transitions, 514 flow, removed 4 selfloop flow, removed 2 redundant places. [2024-10-13 16:37:39,763 INFO L231 Difference]: Finished difference. Result has 59 places, 48 transitions, 208 flow [2024-10-13 16:37:39,763 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=208, PETRI_PLACES=59, PETRI_TRANSITIONS=48} [2024-10-13 16:37:39,764 INFO L277 CegarLoopForPetriNet]: 57 programPoint places, 2 predicate places. [2024-10-13 16:37:39,764 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 48 transitions, 208 flow [2024-10-13 16:37:39,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 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) [2024-10-13 16:37:39,765 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:37:39,765 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, 1, 1, 1, 1] [2024-10-13 16:37:39,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 16:37:39,765 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-10-13 16:37:39,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:37:39,766 INFO L85 PathProgramCache]: Analyzing trace with hash -720020142, now seen corresponding path program 1 times [2024-10-13 16:37:39,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:37:39,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027293042] [2024-10-13 16:37:39,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:37:39,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:37:39,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:37:40,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 16:37:40,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:37:40,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027293042] [2024-10-13 16:37:40,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027293042] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:37:40,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:37:40,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 16:37:40,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133469911] [2024-10-13 16:37:40,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:37:40,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 16:37:40,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:37:40,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 16:37:40,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 16:37:40,013 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 48 [2024-10-13 16:37:40,013 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 48 transitions, 208 flow. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 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) [2024-10-13 16:37:40,013 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:37:40,013 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 48 [2024-10-13 16:37:40,014 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:37:41,775 INFO L124 PetriNetUnfolderBase]: 9271/12606 cut-off events. [2024-10-13 16:37:41,775 INFO L125 PetriNetUnfolderBase]: For 10615/10615 co-relation queries the response was YES. [2024-10-13 16:37:41,798 INFO L83 FinitePrefix]: Finished finitePrefix Result has 33212 conditions, 12606 events. 9271/12606 cut-off events. For 10615/10615 co-relation queries the response was YES. Maximal size of possible extension queue 596. Compared 71955 event pairs, 893 based on Foata normal form. 192/12705 useless extension candidates. Maximal degree in co-relation 33198. Up to 4716 conditions per place. [2024-10-13 16:37:41,809 INFO L140 encePairwiseOnDemand]: 39/48 looper letters, 0 selfloop transitions, 0 changer transitions 100/100 dead transitions. [2024-10-13 16:37:41,809 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 100 transitions, 484 flow [2024-10-13 16:37:41,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 16:37:41,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 16:37:41,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 168 transitions. [2024-10-13 16:37:41,811 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5833333333333334 [2024-10-13 16:37:41,811 INFO L175 Difference]: Start difference. First operand has 59 places, 48 transitions, 208 flow. Second operand 6 states and 168 transitions. [2024-10-13 16:37:41,811 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 100 transitions, 484 flow [2024-10-13 16:37:41,989 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 100 transitions, 429 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-10-13 16:37:41,990 INFO L231 Difference]: Finished difference. Result has 54 places, 0 transitions, 0 flow [2024-10-13 16:37:41,990 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=48, PETRI_DIFFERENCE_MINUEND_FLOW=121, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=54, PETRI_TRANSITIONS=0} [2024-10-13 16:37:41,991 INFO L277 CegarLoopForPetriNet]: 57 programPoint places, -3 predicate places. [2024-10-13 16:37:41,991 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 0 transitions, 0 flow [2024-10-13 16:37:41,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 6 states have internal predecessors, (91), 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) [2024-10-13 16:37:41,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2024-10-13 16:37:41,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2024-10-13 16:37:41,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2024-10-13 16:37:41,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2024-10-13 16:37:41,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2024-10-13 16:37:41,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2024-10-13 16:37:41,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2024-10-13 16:37:41,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2024-10-13 16:37:41,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2024-10-13 16:37:41,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2024-10-13 16:37:41,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2024-10-13 16:37:41,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2024-10-13 16:37:41,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2024-10-13 16:37:41,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2024-10-13 16:37:41,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2024-10-13 16:37:41,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2024-10-13 16:37:41,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2024-10-13 16:37:41,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2024-10-13 16:37:41,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2024-10-13 16:37:41,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2024-10-13 16:37:41,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 16:37:41,998 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-13 16:37:42,005 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-13 16:37:42,005 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 16:37:42,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 04:37:42 BasicIcfg [2024-10-13 16:37:42,012 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 16:37:42,013 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 16:37:42,013 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 16:37:42,013 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 16:37:42,013 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:37:23" (3/4) ... [2024-10-13 16:37:42,015 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 16:37:42,018 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-13 16:37:42,018 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-13 16:37:42,018 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-13 16:37:42,018 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2024-10-13 16:37:42,028 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 81 nodes and edges [2024-10-13 16:37:42,028 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-10-13 16:37:42,029 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-13 16:37:42,029 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 16:37:42,124 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 16:37:42,124 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 16:37:42,124 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 16:37:42,125 INFO L158 Benchmark]: Toolchain (without parser) took 21034.17ms. Allocated memory was 146.8MB in the beginning and 7.1GB in the end (delta: 7.0GB). Free memory was 72.6MB in the beginning and 3.5GB in the end (delta: -3.4GB). Peak memory consumption was 3.5GB. Max. memory is 16.1GB. [2024-10-13 16:37:42,125 INFO L158 Benchmark]: CDTParser took 1.10ms. Allocated memory is still 146.8MB. Free memory is still 98.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:37:42,126 INFO L158 Benchmark]: CACSL2BoogieTranslator took 720.77ms. Allocated memory was 146.8MB in the beginning and 188.7MB in the end (delta: 41.9MB). Free memory was 72.4MB in the beginning and 149.9MB in the end (delta: -77.5MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-10-13 16:37:42,126 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.92ms. Allocated memory is still 188.7MB. Free memory was 148.9MB in the beginning and 146.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 16:37:42,127 INFO L158 Benchmark]: Boogie Preprocessor took 86.22ms. Allocated memory is still 188.7MB. Free memory was 146.8MB in the beginning and 141.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 16:37:42,127 INFO L158 Benchmark]: RCFGBuilder took 1299.81ms. Allocated memory is still 188.7MB. Free memory was 141.5MB in the beginning and 123.6MB in the end (delta: 17.9MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. [2024-10-13 16:37:42,127 INFO L158 Benchmark]: TraceAbstraction took 18733.34ms. Allocated memory was 188.7MB in the beginning and 7.1GB in the end (delta: 6.9GB). Free memory was 122.6MB in the beginning and 3.5GB in the end (delta: -3.4GB). Peak memory consumption was 3.5GB. Max. memory is 16.1GB. [2024-10-13 16:37:42,128 INFO L158 Benchmark]: Witness Printer took 111.79ms. Allocated memory is still 7.1GB. Free memory was 3.5GB in the beginning and 3.5GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 16:37:42,130 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.10ms. Allocated memory is still 146.8MB. Free memory is still 98.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 720.77ms. Allocated memory was 146.8MB in the beginning and 188.7MB in the end (delta: 41.9MB). Free memory was 72.4MB in the beginning and 149.9MB in the end (delta: -77.5MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.92ms. Allocated memory is still 188.7MB. Free memory was 148.9MB in the beginning and 146.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.22ms. Allocated memory is still 188.7MB. Free memory was 146.8MB in the beginning and 141.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1299.81ms. Allocated memory is still 188.7MB. Free memory was 141.5MB in the beginning and 123.6MB in the end (delta: 17.9MB). Peak memory consumption was 94.4MB. Max. memory is 16.1GB. * TraceAbstraction took 18733.34ms. Allocated memory was 188.7MB in the beginning and 7.1GB in the end (delta: 6.9GB). Free memory was 122.6MB in the beginning and 3.5GB in the end (delta: -3.4GB). Peak memory consumption was 3.5GB. Max. memory is 16.1GB. * Witness Printer took 111.79ms. Allocated memory is still 7.1GB. Free memory was 3.5GB in the beginning and 3.5GB 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: 776]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 776]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 793]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 793]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 828]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 828]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 845]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 845]: 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 9 procedures, 87 locations, 20 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: 18.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 17.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 279 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 269 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 503 IncrementalHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 2 mSDtfsCounter, 503 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=208occurred in iteration=4, InterpolantAutomatonStates: 22, 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, 0.8s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 222 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-13 16:37:42,151 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