./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/safe019_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 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/safe019_rmo.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 63f865703c59d821a54141355edec3427193a51b37abbaa1f96833fe96db9b5e --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 21:49:49,995 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 21:49:50,057 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 21:49:50,062 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 21:49:50,065 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 21:49:50,088 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 21:49:50,089 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 21:49:50,090 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 21:49:50,090 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 21:49:50,091 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 21:49:50,091 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 21:49:50,092 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 21:49:50,092 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 21:49:50,094 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 21:49:50,094 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 21:49:50,094 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 21:49:50,094 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 21:49:50,095 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 21:49:50,095 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 21:49:50,095 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 21:49:50,095 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 21:49:50,096 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 21:49:50,099 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 21:49:50,099 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 21:49:50,099 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 21:49:50,099 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 21:49:50,100 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 21:49:50,100 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 21:49:50,100 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 21:49:50,100 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 21:49:50,100 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 21:49:50,101 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 21:49:50,101 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 21:49:50,101 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 21:49:50,101 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 21:49:50,101 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 21:49:50,101 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 21:49:50,101 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 21:49:50,102 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 21:49:50,102 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 21:49:50,102 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 21:49:50,102 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 21:49:50,103 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 21:49:50,103 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 21:49:50,103 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63f865703c59d821a54141355edec3427193a51b37abbaa1f96833fe96db9b5e [2024-11-20 21:49:50,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 21:49:50,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 21:49:50,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 21:49:50,361 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 21:49:50,361 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 21:49:50,362 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe019_rmo.oepc.i [2024-11-20 21:49:51,654 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 21:49:51,912 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 21:49:51,912 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe019_rmo.oepc.i [2024-11-20 21:49:51,923 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb2dc42b3/8fe3caea252c45ed859c57a5993c672d/FLAG5f75d8089 [2024-11-20 21:49:51,937 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb2dc42b3/8fe3caea252c45ed859c57a5993c672d [2024-11-20 21:49:51,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 21:49:51,940 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 21:49:51,941 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 21:49:51,942 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 21:49:51,946 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 21:49:51,946 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:49:51" (1/1) ... [2024-11-20 21:49:51,947 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f72aae8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:51, skipping insertion in model container [2024-11-20 21:49:51,947 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:49:51" (1/1) ... [2024-11-20 21:49:51,978 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 21:49:52,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 21:49:52,271 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 21:49:52,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 21:49:52,368 INFO L204 MainTranslator]: Completed translation [2024-11-20 21:49:52,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:52 WrapperNode [2024-11-20 21:49:52,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 21:49:52,369 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 21:49:52,370 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 21:49:52,370 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 21:49:52,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:52" (1/1) ... [2024-11-20 21:49:52,396 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:52" (1/1) ... [2024-11-20 21:49:52,423 INFO L138 Inliner]: procedures = 176, calls = 70, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 173 [2024-11-20 21:49:52,424 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 21:49:52,425 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 21:49:52,425 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 21:49:52,425 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 21:49:52,433 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:52" (1/1) ... [2024-11-20 21:49:52,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:52" (1/1) ... [2024-11-20 21:49:52,438 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:52" (1/1) ... [2024-11-20 21:49:52,462 INFO L175 MemorySlicer]: Split 24 memory accesses to 2 slices as follows [2, 22]. 92 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1]. The 9 writes are split as follows [0, 9]. [2024-11-20 21:49:52,464 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:52" (1/1) ... [2024-11-20 21:49:52,464 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:52" (1/1) ... [2024-11-20 21:49:52,497 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:52" (1/1) ... [2024-11-20 21:49:52,504 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:52" (1/1) ... [2024-11-20 21:49:52,506 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:52" (1/1) ... [2024-11-20 21:49:52,515 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:52" (1/1) ... [2024-11-20 21:49:52,518 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 21:49:52,523 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 21:49:52,524 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 21:49:52,524 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 21:49:52,524 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:52" (1/1) ... [2024-11-20 21:49:52,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 21:49:52,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 21:49:52,601 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) [2024-11-20 21:49:52,604 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 [2024-11-20 21:49:52,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 21:49:52,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 21:49:52,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 21:49:52,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 21:49:52,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-20 21:49:52,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 21:49:52,664 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-20 21:49:52,664 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-20 21:49:52,665 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-20 21:49:52,666 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-20 21:49:52,666 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-20 21:49:52,666 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-20 21:49:52,666 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-20 21:49:52,666 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-20 21:49:52,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 21:49:52,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 21:49:52,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-20 21:49:52,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 21:49:52,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 21:49:52,669 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-20 21:49:52,780 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 21:49:52,781 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 21:49:53,102 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 21:49:53,103 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 21:49:53,392 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 21:49:53,393 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 21:49:53,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:49:53 BoogieIcfgContainer [2024-11-20 21:49:53,393 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 21:49:53,395 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 21:49:53,395 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 21:49:53,398 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 21:49:53,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:49:51" (1/3) ... [2024-11-20 21:49:53,398 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3972963d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:49:53, skipping insertion in model container [2024-11-20 21:49:53,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:49:52" (2/3) ... [2024-11-20 21:49:53,399 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3972963d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:49:53, skipping insertion in model container [2024-11-20 21:49:53,399 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:49:53" (3/3) ... [2024-11-20 21:49:53,400 INFO L112 eAbstractionObserver]: Analyzing ICFG safe019_rmo.oepc.i [2024-11-20 21:49:53,413 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 21:49:53,413 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-20 21:49:53,413 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 21:49:53,467 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-20 21:49:53,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 61 places, 48 transitions, 112 flow [2024-11-20 21:49:53,514 INFO L124 PetriNetUnfolderBase]: 0/44 cut-off events. [2024-11-20 21:49:53,515 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 21:49:53,516 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 8. Compared 120 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. [2024-11-20 21:49:53,516 INFO L82 GeneralOperation]: Start removeDead. Operand has 61 places, 48 transitions, 112 flow [2024-11-20 21:49:53,518 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 57 places, 44 transitions, 100 flow [2024-11-20 21:49:53,524 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 21:49:53,529 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;@86f8854, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 21:49:53,529 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-11-20 21:49:53,534 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 21:49:53,534 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-11-20 21:49:53,534 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 21:49:53,535 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:49:53,535 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:49:53,536 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-20 21:49:53,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:49:53,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1715066046, now seen corresponding path program 1 times [2024-11-20 21:49:53,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:49:53,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918906372] [2024-11-20 21:49:53,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:49:53,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:49:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:49:53,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:49:53,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:49:53,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918906372] [2024-11-20 21:49:53,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918906372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:49:53,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:49:53,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-20 21:49:53,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136897065] [2024-11-20 21:49:53,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:49:53,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 21:49:53,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:49:53,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 21:49:53,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 21:49:53,859 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 48 [2024-11-20 21:49:53,861 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 44 transitions, 100 flow. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2024-11-20 21:49:53,861 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:49:53,861 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 48 [2024-11-20 21:49:53,862 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:49:57,523 INFO L124 PetriNetUnfolderBase]: 22357/29871 cut-off events. [2024-11-20 21:49:57,524 INFO L125 PetriNetUnfolderBase]: For 172/172 co-relation queries the response was YES. [2024-11-20 21:49:57,598 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60085 conditions, 29871 events. 22357/29871 cut-off events. For 172/172 co-relation queries the response was YES. Maximal size of possible extension queue 2319. Compared 194469 event pairs, 9631 based on Foata normal form. 0/21634 useless extension candidates. Maximal degree in co-relation 60073. Up to 29519 conditions per place. [2024-11-20 21:49:57,757 INFO L140 encePairwiseOnDemand]: 35/48 looper letters, 49 selfloop transitions, 5 changer transitions 0/64 dead transitions. [2024-11-20 21:49:57,757 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 64 transitions, 257 flow [2024-11-20 21:49:57,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 21:49:57,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 21:49:57,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 104 transitions. [2024-11-20 21:49:57,778 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7222222222222222 [2024-11-20 21:49:57,784 INFO L175 Difference]: Start difference. First operand has 57 places, 44 transitions, 100 flow. Second operand 3 states and 104 transitions. [2024-11-20 21:49:57,785 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 64 transitions, 257 flow [2024-11-20 21:49:57,792 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 64 transitions, 250 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-20 21:49:57,794 INFO L231 Difference]: Finished difference. Result has 56 places, 48 transitions, 143 flow [2024-11-20 21:49:57,800 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} [2024-11-20 21:49:57,806 INFO L277 CegarLoopForPetriNet]: 57 programPoint places, -1 predicate places. [2024-11-20 21:49:57,807 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 48 transitions, 143 flow [2024-11-20 21:49:57,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2024-11-20 21:49:57,810 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:49:57,811 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:49:57,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 21:49:57,811 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-20 21:49:57,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:49:57,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1876324316, now seen corresponding path program 1 times [2024-11-20 21:49:57,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:49:57,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830795987] [2024-11-20 21:49:57,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:49:57,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:49:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:49:57,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:49:57,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:49:57,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830795987] [2024-11-20 21:49:57,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830795987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:49:57,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:49:57,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 21:49:57,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056166880] [2024-11-20 21:49:57,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:49:57,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:49:57,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:49:57,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:49:57,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:49:57,951 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 48 [2024-11-20 21:49:57,951 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 48 transitions, 143 flow. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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) [2024-11-20 21:49:57,951 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:49:57,951 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 48 [2024-11-20 21:49:57,952 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:49:59,594 INFO L124 PetriNetUnfolderBase]: 11899/16021 cut-off events. [2024-11-20 21:49:59,594 INFO L125 PetriNetUnfolderBase]: For 1258/1258 co-relation queries the response was YES. [2024-11-20 21:49:59,616 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38236 conditions, 16021 events. 11899/16021 cut-off events. For 1258/1258 co-relation queries the response was YES. Maximal size of possible extension queue 1115. Compared 97138 event pairs, 4335 based on Foata normal form. 0/13288 useless extension candidates. Maximal degree in co-relation 38225. Up to 15668 conditions per place. [2024-11-20 21:49:59,672 INFO L140 encePairwiseOnDemand]: 39/48 looper letters, 45 selfloop transitions, 5 changer transitions 0/60 dead transitions. [2024-11-20 21:49:59,672 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 60 transitions, 265 flow [2024-11-20 21:49:59,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:49:59,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-20 21:49:59,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 110 transitions. [2024-11-20 21:49:59,675 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5729166666666666 [2024-11-20 21:49:59,675 INFO L175 Difference]: Start difference. First operand has 56 places, 48 transitions, 143 flow. Second operand 4 states and 110 transitions. [2024-11-20 21:49:59,676 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 60 transitions, 265 flow [2024-11-20 21:49:59,678 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 60 transitions, 260 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 21:49:59,679 INFO L231 Difference]: Finished difference. Result has 54 places, 44 transitions, 132 flow [2024-11-20 21:49:59,680 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} [2024-11-20 21:49:59,680 INFO L277 CegarLoopForPetriNet]: 57 programPoint places, -3 predicate places. [2024-11-20 21:49:59,681 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 44 transitions, 132 flow [2024-11-20 21:49:59,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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) [2024-11-20 21:49:59,681 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:49:59,681 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 21:49:59,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 21:49:59,682 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-20 21:49:59,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:49:59,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1876324315, now seen corresponding path program 1 times [2024-11-20 21:49:59,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:49:59,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814369779] [2024-11-20 21:49:59,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:49:59,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:49:59,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:49:59,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:49:59,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:49:59,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814369779] [2024-11-20 21:49:59,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814369779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:49:59,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:49:59,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 21:49:59,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249890018] [2024-11-20 21:49:59,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:49:59,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 21:49:59,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:49:59,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 21:49:59,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 21:49:59,812 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 48 [2024-11-20 21:49:59,812 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 44 transitions, 132 flow. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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) [2024-11-20 21:49:59,814 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:49:59,814 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 48 [2024-11-20 21:49:59,814 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:50:01,439 INFO L124 PetriNetUnfolderBase]: 8177/11163 cut-off events. [2024-11-20 21:50:01,439 INFO L125 PetriNetUnfolderBase]: For 1556/1556 co-relation queries the response was YES. [2024-11-20 21:50:01,451 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26069 conditions, 11163 events. 8177/11163 cut-off events. For 1556/1556 co-relation queries the response was YES. Maximal size of possible extension queue 691. Compared 64055 event pairs, 1407 based on Foata normal form. 0/9998 useless extension candidates. Maximal degree in co-relation 26057. Up to 9081 conditions per place. [2024-11-20 21:50:01,478 INFO L140 encePairwiseOnDemand]: 39/48 looper letters, 63 selfloop transitions, 9 changer transitions 0/82 dead transitions. [2024-11-20 21:50:01,479 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 82 transitions, 370 flow [2024-11-20 21:50:01,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 21:50:01,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-20 21:50:01,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 132 transitions. [2024-11-20 21:50:01,481 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6875 [2024-11-20 21:50:01,481 INFO L175 Difference]: Start difference. First operand has 54 places, 44 transitions, 132 flow. Second operand 4 states and 132 transitions. [2024-11-20 21:50:01,481 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 82 transitions, 370 flow [2024-11-20 21:50:01,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 82 transitions, 364 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 21:50:01,482 INFO L231 Difference]: Finished difference. Result has 56 places, 48 transitions, 184 flow [2024-11-20 21:50:01,483 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} [2024-11-20 21:50:01,483 INFO L277 CegarLoopForPetriNet]: 57 programPoint places, -1 predicate places. [2024-11-20 21:50:01,483 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 48 transitions, 184 flow [2024-11-20 21:50:01,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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) [2024-11-20 21:50:01,483 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:50:01,484 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] [2024-11-20 21:50:01,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 21:50:01,484 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-20 21:50:01,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:50:01,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1062023740, now seen corresponding path program 1 times [2024-11-20 21:50:01,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:50:01,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720621666] [2024-11-20 21:50:01,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:50:01,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:50:01,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:50:01,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:50:01,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:50:01,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720621666] [2024-11-20 21:50:01,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720621666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:50:01,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:50:01,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 21:50:01,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204547122] [2024-11-20 21:50:01,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:50:01,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 21:50:01,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:50:01,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 21:50:01,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-20 21:50:01,560 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 48 [2024-11-20 21:50:01,560 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 48 transitions, 184 flow. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 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) [2024-11-20 21:50:01,560 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:50:01,560 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 48 [2024-11-20 21:50:01,560 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:50:02,440 INFO L124 PetriNetUnfolderBase]: 5885/8055 cut-off events. [2024-11-20 21:50:02,440 INFO L125 PetriNetUnfolderBase]: For 3906/3906 co-relation queries the response was YES. [2024-11-20 21:50:02,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21406 conditions, 8055 events. 5885/8055 cut-off events. For 3906/3906 co-relation queries the response was YES. Maximal size of possible extension queue 428. Compared 44112 event pairs, 343 based on Foata normal form. 0/7850 useless extension candidates. Maximal degree in co-relation 21393. Up to 3065 conditions per place. [2024-11-20 21:50:02,496 INFO L140 encePairwiseOnDemand]: 39/48 looper letters, 75 selfloop transitions, 13 changer transitions 4/102 dead transitions. [2024-11-20 21:50:02,500 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 102 transitions, 504 flow [2024-11-20 21:50:02,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 21:50:02,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-20 21:50:02,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 166 transitions. [2024-11-20 21:50:02,508 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6916666666666667 [2024-11-20 21:50:02,508 INFO L175 Difference]: Start difference. First operand has 56 places, 48 transitions, 184 flow. Second operand 5 states and 166 transitions. [2024-11-20 21:50:02,508 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 102 transitions, 504 flow [2024-11-20 21:50:02,516 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 102 transitions, 486 flow, removed 4 selfloop flow, removed 2 redundant places. [2024-11-20 21:50:02,518 INFO L231 Difference]: Finished difference. Result has 59 places, 48 transitions, 208 flow [2024-11-20 21:50:02,521 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} [2024-11-20 21:50:02,522 INFO L277 CegarLoopForPetriNet]: 57 programPoint places, 2 predicate places. [2024-11-20 21:50:02,522 INFO L471 AbstractCegarLoop]: Abstraction has has 59 places, 48 transitions, 208 flow [2024-11-20 21:50:02,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 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) [2024-11-20 21:50:02,523 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 21:50:02,523 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] [2024-11-20 21:50:02,523 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 21:50:02,525 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2024-11-20 21:50:02,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 21:50:02,526 INFO L85 PathProgramCache]: Analyzing trace with hash 2024459696, now seen corresponding path program 1 times [2024-11-20 21:50:02,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 21:50:02,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922461390] [2024-11-20 21:50:02,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 21:50:02,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 21:50:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 21:50:02,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 21:50:02,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 21:50:02,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922461390] [2024-11-20 21:50:02,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922461390] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 21:50:02,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 21:50:02,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 21:50:02,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357966634] [2024-11-20 21:50:02,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 21:50:02,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 21:50:02,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 21:50:02,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 21:50:02,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 21:50:02,800 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 14 out of 48 [2024-11-20 21:50:02,801 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 48 transitions, 208 flow. Second operand has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 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) [2024-11-20 21:50:02,801 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 21:50:02,801 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 14 of 48 [2024-11-20 21:50:02,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 21:50:03,996 INFO L124 PetriNetUnfolderBase]: 5069/6951 cut-off events. [2024-11-20 21:50:03,997 INFO L125 PetriNetUnfolderBase]: For 7042/7042 co-relation queries the response was YES. [2024-11-20 21:50:04,011 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19287 conditions, 6951 events. 5069/6951 cut-off events. For 7042/7042 co-relation queries the response was YES. Maximal size of possible extension queue 416. Compared 38398 event pairs, 199 based on Foata normal form. 192/7130 useless extension candidates. Maximal degree in co-relation 19273. Up to 2908 conditions per place. [2024-11-20 21:50:04,017 INFO L140 encePairwiseOnDemand]: 39/48 looper letters, 0 selfloop transitions, 0 changer transitions 94/94 dead transitions. [2024-11-20 21:50:04,017 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 94 transitions, 456 flow [2024-11-20 21:50:04,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 21:50:04,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 21:50:04,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 172 transitions. [2024-11-20 21:50:04,018 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5972222222222222 [2024-11-20 21:50:04,018 INFO L175 Difference]: Start difference. First operand has 59 places, 48 transitions, 208 flow. Second operand 6 states and 172 transitions. [2024-11-20 21:50:04,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 94 transitions, 456 flow [2024-11-20 21:50:04,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 94 transitions, 401 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-11-20 21:50:04,084 INFO L231 Difference]: Finished difference. Result has 54 places, 0 transitions, 0 flow [2024-11-20 21:50:04,084 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} [2024-11-20 21:50:04,084 INFO L277 CegarLoopForPetriNet]: 57 programPoint places, -3 predicate places. [2024-11-20 21:50:04,085 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 0 transitions, 0 flow [2024-11-20 21:50:04,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.833333333333332) internal successors, (101), 6 states have internal predecessors, (101), 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) [2024-11-20 21:50:04,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2024-11-20 21:50:04,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2024-11-20 21:50:04,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2024-11-20 21:50:04,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2024-11-20 21:50:04,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2024-11-20 21:50:04,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2024-11-20 21:50:04,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2024-11-20 21:50:04,091 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2024-11-20 21:50:04,092 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2024-11-20 21:50:04,092 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2024-11-20 21:50:04,092 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2024-11-20 21:50:04,092 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2024-11-20 21:50:04,092 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2024-11-20 21:50:04,092 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2024-11-20 21:50:04,092 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2024-11-20 21:50:04,092 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2024-11-20 21:50:04,093 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2024-11-20 21:50:04,093 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2024-11-20 21:50:04,093 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2024-11-20 21:50:04,093 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2024-11-20 21:50:04,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 21:50:04,093 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-20 21:50:04,106 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-20 21:50:04,106 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 21:50:04,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:50:04 BasicIcfg [2024-11-20 21:50:04,116 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 21:50:04,116 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 21:50:04,117 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 21:50:04,117 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 21:50:04,122 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:49:53" (3/4) ... [2024-11-20 21:50:04,124 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-20 21:50:04,126 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-11-20 21:50:04,129 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-11-20 21:50:04,130 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-11-20 21:50:04,130 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2024-11-20 21:50:04,134 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 82 nodes and edges [2024-11-20 21:50:04,139 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-20 21:50:04,139 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-20 21:50:04,139 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-20 21:50:04,246 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 21:50:04,246 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-20 21:50:04,247 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 21:50:04,247 INFO L158 Benchmark]: Toolchain (without parser) took 12307.51ms. Allocated memory was 218.1MB in the beginning and 2.7GB in the end (delta: 2.4GB). Free memory was 147.3MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-20 21:50:04,247 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 119.5MB. Free memory is still 89.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 21:50:04,248 INFO L158 Benchmark]: CACSL2BoogieTranslator took 427.40ms. Allocated memory is still 218.1MB. Free memory was 147.0MB in the beginning and 119.7MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-20 21:50:04,248 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.42ms. Allocated memory is still 218.1MB. Free memory was 119.7MB in the beginning and 116.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 21:50:04,248 INFO L158 Benchmark]: Boogie Preprocessor took 93.79ms. Allocated memory is still 218.1MB. Free memory was 116.6MB in the beginning and 185.1MB in the end (delta: -68.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-20 21:50:04,248 INFO L158 Benchmark]: RCFGBuilder took 870.10ms. Allocated memory is still 218.1MB. Free memory was 185.1MB in the beginning and 174.3MB in the end (delta: 10.7MB). Peak memory consumption was 106.2MB. Max. memory is 16.1GB. [2024-11-20 21:50:04,249 INFO L158 Benchmark]: TraceAbstraction took 10721.03ms. Allocated memory was 218.1MB in the beginning and 2.7GB in the end (delta: 2.4GB). Free memory was 174.3MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-11-20 21:50:04,249 INFO L158 Benchmark]: Witness Printer took 130.63ms. Allocated memory is still 2.7GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 21:50:04,250 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76ms. Allocated memory is still 119.5MB. Free memory is still 89.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 427.40ms. Allocated memory is still 218.1MB. Free memory was 147.0MB in the beginning and 119.7MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.42ms. Allocated memory is still 218.1MB. Free memory was 119.7MB in the beginning and 116.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.79ms. Allocated memory is still 218.1MB. Free memory was 116.6MB in the beginning and 185.1MB in the end (delta: -68.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 870.10ms. Allocated memory is still 218.1MB. Free memory was 185.1MB in the beginning and 174.3MB in the end (delta: 10.7MB). Peak memory consumption was 106.2MB. Max. memory is 16.1GB. * TraceAbstraction took 10721.03ms. Allocated memory was 218.1MB in the beginning and 2.7GB in the end (delta: 2.4GB). Free memory was 174.3MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * Witness Printer took 130.63ms. Allocated memory is still 2.7GB. Free memory was 1.3GB in the beginning and 1.3GB 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: 789]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 789]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 801]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 801]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 821]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 821]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 838]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 838]: 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: 10.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 264 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 254 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 469 IncrementalHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 2 mSDtfsCounter, 469 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, 0.1s 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, 0.1s SatisfiabilityAnalysisTime, 0.6s 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! [2024-11-20 21:50:04,268 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