./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/mix057_power.opt_pso.opt_rmo.opt_tso.oepc_tso.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/mix057_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a650c00976061981bc34910bafee4d11d94c16289374f008af5a1f8d17e97036 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 16:36:15,431 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 16:36:15,469 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 16:36:15,473 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 16:36:15,473 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 16:36:15,498 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 16:36:15,500 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 16:36:15,500 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 16:36:15,501 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 16:36:15,502 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 16:36:15,502 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 16:36:15,502 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 16:36:15,503 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 16:36:15,503 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 16:36:15,504 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 16:36:15,505 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 16:36:15,505 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 16:36:15,505 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 16:36:15,505 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 16:36:15,505 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 16:36:15,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 16:36:15,509 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 16:36:15,509 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 16:36:15,509 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 16:36:15,509 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 16:36:15,510 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 16:36:15,510 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 16:36:15,510 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 16:36:15,510 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 16:36:15,510 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 16:36:15,511 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 16:36:15,511 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 16:36:15,511 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 16:36:15,512 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 16:36:15,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:36:15,512 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 16:36:15,512 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 16:36:15,513 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 16:36:15,513 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 16:36:15,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 16:36:15,513 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 16:36:15,514 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 16:36:15,514 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 16:36:15,514 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 16:36:15,514 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a650c00976061981bc34910bafee4d11d94c16289374f008af5a1f8d17e97036 [2024-10-13 16:36:15,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 16:36:15,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 16:36:15,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 16:36:15,749 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 16:36:15,750 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 16:36:15,751 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix057_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2024-10-13 16:36:17,106 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 16:36:17,334 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 16:36:17,334 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix057_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2024-10-13 16:36:17,353 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14fbeac17/9cac919e290e4f25afe8b30988990276/FLAG246669c15 [2024-10-13 16:36:17,366 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14fbeac17/9cac919e290e4f25afe8b30988990276 [2024-10-13 16:36:17,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 16:36:17,369 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 16:36:17,372 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 16:36:17,372 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 16:36:17,376 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 16:36:17,377 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:36:17" (1/1) ... [2024-10-13 16:36:17,378 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ee274fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:36:17, skipping insertion in model container [2024-10-13 16:36:17,378 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 04:36:17" (1/1) ... [2024-10-13 16:36:17,428 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 16:36:17,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:36:17,835 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 16:36:17,882 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 16:36:17,993 INFO L204 MainTranslator]: Completed translation [2024-10-13 16:36:17,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:36:17 WrapperNode [2024-10-13 16:36:17,997 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 16:36:17,998 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 16:36:17,998 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 16:36:17,998 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 16:36:18,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:36:17" (1/1) ... [2024-10-13 16:36:18,029 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:36:17" (1/1) ... [2024-10-13 16:36:18,052 INFO L138 Inliner]: procedures = 176, calls = 52, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 150 [2024-10-13 16:36:18,053 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 16:36:18,053 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 16:36:18,053 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 16:36:18,053 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 16:36:18,062 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:36:17" (1/1) ... [2024-10-13 16:36:18,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:36:17" (1/1) ... [2024-10-13 16:36:18,071 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:36:17" (1/1) ... [2024-10-13 16:36:18,084 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 16:36:18,085 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:36:17" (1/1) ... [2024-10-13 16:36:18,085 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:36:17" (1/1) ... [2024-10-13 16:36:18,090 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:36:17" (1/1) ... [2024-10-13 16:36:18,092 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:36:17" (1/1) ... [2024-10-13 16:36:18,093 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:36:17" (1/1) ... [2024-10-13 16:36:18,094 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:36:17" (1/1) ... [2024-10-13 16:36:18,096 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 16:36:18,097 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 16:36:18,097 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 16:36:18,097 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 16:36:18,098 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:36:17" (1/1) ... [2024-10-13 16:36:18,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 16:36:18,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 16:36:18,136 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 16:36:18,145 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 16:36:18,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-13 16:36:18,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 16:36:18,177 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-13 16:36:18,178 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-13 16:36:18,178 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-13 16:36:18,178 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-13 16:36:18,178 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-13 16:36:18,178 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-13 16:36:18,178 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-10-13 16:36:18,179 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-10-13 16:36:18,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 16:36:18,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-13 16:36:18,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 16:36:18,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 16:36:18,181 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 16:36:18,309 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 16:36:18,311 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 16:36:18,568 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 16:36:18,569 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 16:36:18,740 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 16:36:18,741 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 16:36:18,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:36:18 BoogieIcfgContainer [2024-10-13 16:36:18,741 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 16:36:18,744 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 16:36:18,744 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 16:36:18,748 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 16:36:18,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 04:36:17" (1/3) ... [2024-10-13 16:36:18,748 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cff6ab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:36:18, skipping insertion in model container [2024-10-13 16:36:18,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 04:36:17" (2/3) ... [2024-10-13 16:36:18,749 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cff6ab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 04:36:18, skipping insertion in model container [2024-10-13 16:36:18,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:36:18" (3/3) ... [2024-10-13 16:36:18,750 INFO L112 eAbstractionObserver]: Analyzing ICFG mix057_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2024-10-13 16:36:18,762 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 16:36:18,763 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-10-13 16:36:18,763 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 16:36:18,821 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-13 16:36:18,854 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 63 places, 50 transitions, 116 flow [2024-10-13 16:36:18,876 INFO L124 PetriNetUnfolderBase]: 0/46 cut-off events. [2024-10-13 16:36:18,876 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 16:36:18,878 INFO L83 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 46 events. 0/46 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 118 event pairs, 0 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2024-10-13 16:36:18,878 INFO L82 GeneralOperation]: Start removeDead. Operand has 63 places, 50 transitions, 116 flow [2024-10-13 16:36:18,880 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 59 places, 46 transitions, 104 flow [2024-10-13 16:36:18,887 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 16:36:18,892 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;@74bdaf9d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 16:36:18,892 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-10-13 16:36:18,896 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 16:36:18,896 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events. [2024-10-13 16:36:18,897 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 16:36:18,897 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:36:18,897 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:36:18,898 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 16:36:18,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:36:18,902 INFO L85 PathProgramCache]: Analyzing trace with hash 722723307, now seen corresponding path program 1 times [2024-10-13 16:36:18,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:36:18,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545818739] [2024-10-13 16:36:18,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:36:18,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:36:18,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:36:19,083 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 16:36:19,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:36:19,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545818739] [2024-10-13 16:36:19,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545818739] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:36:19,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:36:19,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 16:36:19,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473310875] [2024-10-13 16:36:19,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:36:19,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 16:36:19,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:36:19,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 16:36:19,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 16:36:19,132 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 50 [2024-10-13 16:36:19,135 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 46 transitions, 104 flow. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 16:36:19,135 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:36:19,135 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 50 [2024-10-13 16:36:19,136 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:36:22,182 INFO L124 PetriNetUnfolderBase]: 16257/21807 cut-off events. [2024-10-13 16:36:22,182 INFO L125 PetriNetUnfolderBase]: For 132/132 co-relation queries the response was YES. [2024-10-13 16:36:22,288 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43873 conditions, 21807 events. 16257/21807 cut-off events. For 132/132 co-relation queries the response was YES. Maximal size of possible extension queue 2091. Compared 144819 event pairs, 8007 based on Foata normal form. 0/15043 useless extension candidates. Maximal degree in co-relation 43861. Up to 21703 conditions per place. [2024-10-13 16:36:22,494 INFO L140 encePairwiseOnDemand]: 37/50 looper letters, 45 selfloop transitions, 5 changer transitions 0/64 dead transitions. [2024-10-13 16:36:22,494 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 64 transitions, 249 flow [2024-10-13 16:36:22,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 16:36:22,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 16:36:22,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 112 transitions. [2024-10-13 16:36:22,516 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7466666666666667 [2024-10-13 16:36:22,517 INFO L175 Difference]: Start difference. First operand has 59 places, 46 transitions, 104 flow. Second operand 3 states and 112 transitions. [2024-10-13 16:36:22,522 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 64 transitions, 249 flow [2024-10-13 16:36:22,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 64 transitions, 242 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-13 16:36:22,531 INFO L231 Difference]: Finished difference. Result has 58 places, 50 transitions, 147 flow [2024-10-13 16:36:22,538 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=147, PETRI_PLACES=58, PETRI_TRANSITIONS=50} [2024-10-13 16:36:22,541 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, -1 predicate places. [2024-10-13 16:36:22,546 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 50 transitions, 147 flow [2024-10-13 16:36:22,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 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 16:36:22,547 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:36:22,547 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:36:22,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 16:36:22,547 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 16:36:22,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:36:22,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1229473114, now seen corresponding path program 1 times [2024-10-13 16:36:22,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:36:22,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600833469] [2024-10-13 16:36:22,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:36:22,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:36:22,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:36:22,730 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 16:36:22,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:36:22,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600833469] [2024-10-13 16:36:22,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600833469] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:36:22,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:36:22,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:36:22,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376212072] [2024-10-13 16:36:22,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:36:22,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:36:22,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:36:22,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:36:22,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:36:22,742 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 50 [2024-10-13 16:36:22,742 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 50 transitions, 147 flow. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:36:22,742 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:36:22,742 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 50 [2024-10-13 16:36:22,742 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:36:24,201 INFO L124 PetriNetUnfolderBase]: 7927/10749 cut-off events. [2024-10-13 16:36:24,201 INFO L125 PetriNetUnfolderBase]: For 895/895 co-relation queries the response was YES. [2024-10-13 16:36:24,220 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26148 conditions, 10749 events. 7927/10749 cut-off events. For 895/895 co-relation queries the response was YES. Maximal size of possible extension queue 921. Compared 67140 event pairs, 3403 based on Foata normal form. 0/8609 useless extension candidates. Maximal degree in co-relation 26137. Up to 10644 conditions per place. [2024-10-13 16:36:24,265 INFO L140 encePairwiseOnDemand]: 41/50 looper letters, 41 selfloop transitions, 5 changer transitions 0/60 dead transitions. [2024-10-13 16:36:24,266 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 60 transitions, 257 flow [2024-10-13 16:36:24,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:36:24,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-13 16:36:24,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 122 transitions. [2024-10-13 16:36:24,267 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.61 [2024-10-13 16:36:24,268 INFO L175 Difference]: Start difference. First operand has 58 places, 50 transitions, 147 flow. Second operand 4 states and 122 transitions. [2024-10-13 16:36:24,268 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 60 transitions, 257 flow [2024-10-13 16:36:24,269 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 60 transitions, 252 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-13 16:36:24,270 INFO L231 Difference]: Finished difference. Result has 56 places, 46 transitions, 136 flow [2024-10-13 16:36:24,270 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=136, PETRI_PLACES=56, PETRI_TRANSITIONS=46} [2024-10-13 16:36:24,270 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, -3 predicate places. [2024-10-13 16:36:24,271 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 46 transitions, 136 flow [2024-10-13 16:36:24,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:36:24,271 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:36:24,271 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:36:24,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 16:36:24,272 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 16:36:24,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:36:24,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1766819229, now seen corresponding path program 1 times [2024-10-13 16:36:24,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:36:24,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241176432] [2024-10-13 16:36:24,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:36:24,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:36:24,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:36:24,334 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 16:36:24,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:36:24,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241176432] [2024-10-13 16:36:24,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241176432] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:36:24,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:36:24,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 16:36:24,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918381095] [2024-10-13 16:36:24,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:36:24,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 16:36:24,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:36:24,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 16:36:24,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-13 16:36:24,341 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 50 [2024-10-13 16:36:24,341 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 46 transitions, 136 flow. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:36:24,342 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:36:24,342 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 50 [2024-10-13 16:36:24,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:36:25,537 INFO L124 PetriNetUnfolderBase]: 5445/7507 cut-off events. [2024-10-13 16:36:25,539 INFO L125 PetriNetUnfolderBase]: For 980/980 co-relation queries the response was YES. [2024-10-13 16:36:25,572 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17821 conditions, 7507 events. 5445/7507 cut-off events. For 980/980 co-relation queries the response was YES. Maximal size of possible extension queue 609. Compared 44594 event pairs, 1127 based on Foata normal form. 0/6487 useless extension candidates. Maximal degree in co-relation 17809. Up to 6753 conditions per place. [2024-10-13 16:36:25,642 INFO L140 encePairwiseOnDemand]: 41/50 looper letters, 57 selfloop transitions, 9 changer transitions 0/80 dead transitions. [2024-10-13 16:36:25,645 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 80 transitions, 354 flow [2024-10-13 16:36:25,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 16:36:25,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-13 16:36:25,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 142 transitions. [2024-10-13 16:36:25,648 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.71 [2024-10-13 16:36:25,649 INFO L175 Difference]: Start difference. First operand has 56 places, 46 transitions, 136 flow. Second operand 4 states and 142 transitions. [2024-10-13 16:36:25,649 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 80 transitions, 354 flow [2024-10-13 16:36:25,651 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 80 transitions, 348 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 16:36:25,657 INFO L231 Difference]: Finished difference. Result has 58 places, 50 transitions, 188 flow [2024-10-13 16:36:25,657 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=188, PETRI_PLACES=58, PETRI_TRANSITIONS=50} [2024-10-13 16:36:25,657 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, -1 predicate places. [2024-10-13 16:36:25,658 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 50 transitions, 188 flow [2024-10-13 16:36:25,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 16:36:25,658 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:36:25,658 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 16:36:25,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 16:36:25,658 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 16:36:25,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:36:25,659 INFO L85 PathProgramCache]: Analyzing trace with hash -28134477, now seen corresponding path program 1 times [2024-10-13 16:36:25,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:36:25,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550725895] [2024-10-13 16:36:25,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:36:25,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:36:25,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:36:25,814 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 16:36:25,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:36:25,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550725895] [2024-10-13 16:36:25,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550725895] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:36:25,815 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:36:25,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 16:36:25,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918984696] [2024-10-13 16:36:25,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:36:25,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 16:36:25,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:36:25,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 16:36:25,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-13 16:36:25,821 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 50 [2024-10-13 16:36:25,821 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 50 transitions, 188 flow. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 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 16:36:25,821 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:36:25,821 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 50 [2024-10-13 16:36:25,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:36:26,327 INFO L124 PetriNetUnfolderBase]: 3561/4951 cut-off events. [2024-10-13 16:36:26,328 INFO L125 PetriNetUnfolderBase]: For 2451/2451 co-relation queries the response was YES. [2024-10-13 16:36:26,335 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13508 conditions, 4951 events. 3561/4951 cut-off events. For 2451/2451 co-relation queries the response was YES. Maximal size of possible extension queue 319. Compared 27401 event pairs, 183 based on Foata normal form. 0/4747 useless extension candidates. Maximal degree in co-relation 13495. Up to 2601 conditions per place. [2024-10-13 16:36:26,351 INFO L140 encePairwiseOnDemand]: 41/50 looper letters, 67 selfloop transitions, 13 changer transitions 4/98 dead transitions. [2024-10-13 16:36:26,352 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 98 transitions, 480 flow [2024-10-13 16:36:26,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 16:36:26,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-10-13 16:36:26,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 178 transitions. [2024-10-13 16:36:26,353 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.712 [2024-10-13 16:36:26,353 INFO L175 Difference]: Start difference. First operand has 58 places, 50 transitions, 188 flow. Second operand 5 states and 178 transitions. [2024-10-13 16:36:26,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 98 transitions, 480 flow [2024-10-13 16:36:26,356 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 98 transitions, 462 flow, removed 4 selfloop flow, removed 2 redundant places. [2024-10-13 16:36:26,357 INFO L231 Difference]: Finished difference. Result has 61 places, 50 transitions, 212 flow [2024-10-13 16:36:26,357 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=212, PETRI_PLACES=61, PETRI_TRANSITIONS=50} [2024-10-13 16:36:26,358 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, 2 predicate places. [2024-10-13 16:36:26,358 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 50 transitions, 212 flow [2024-10-13 16:36:26,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 5 states have internal predecessors, (100), 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 16:36:26,358 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 16:36:26,358 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, 1, 1] [2024-10-13 16:36:26,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 16:36:26,359 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 16:36:26,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 16:36:26,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1912956923, now seen corresponding path program 1 times [2024-10-13 16:36:26,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 16:36:26,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385207690] [2024-10-13 16:36:26,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 16:36:26,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 16:36:26,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 16:36:26,469 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 16:36:26,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 16:36:26,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385207690] [2024-10-13 16:36:26,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385207690] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 16:36:26,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 16:36:26,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 16:36:26,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706106913] [2024-10-13 16:36:26,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 16:36:26,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 16:36:26,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 16:36:26,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 16:36:26,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 16:36:26,477 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 18 out of 50 [2024-10-13 16:36:26,477 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 50 transitions, 212 flow. Second operand has 6 states, 6 states have (on average 20.5) internal successors, (123), 6 states have internal predecessors, (123), 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 16:36:26,477 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 16:36:26,477 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 18 of 50 [2024-10-13 16:36:26,477 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 16:36:27,224 INFO L124 PetriNetUnfolderBase]: 2745/3847 cut-off events. [2024-10-13 16:36:27,228 INFO L125 PetriNetUnfolderBase]: For 4691/4691 co-relation queries the response was YES. [2024-10-13 16:36:27,237 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11259 conditions, 3847 events. 2745/3847 cut-off events. For 4691/4691 co-relation queries the response was YES. Maximal size of possible extension queue 292. Compared 21563 event pairs, 39 based on Foata normal form. 192/4027 useless extension candidates. Maximal degree in co-relation 11245. Up to 1596 conditions per place. [2024-10-13 16:36:27,243 INFO L140 encePairwiseOnDemand]: 41/50 looper letters, 0 selfloop transitions, 0 changer transitions 90/90 dead transitions. [2024-10-13 16:36:27,243 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 90 transitions, 432 flow [2024-10-13 16:36:27,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 16:36:27,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-13 16:36:27,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 188 transitions. [2024-10-13 16:36:27,244 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6266666666666667 [2024-10-13 16:36:27,244 INFO L175 Difference]: Start difference. First operand has 61 places, 50 transitions, 212 flow. Second operand 6 states and 188 transitions. [2024-10-13 16:36:27,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 90 transitions, 432 flow [2024-10-13 16:36:27,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 90 transitions, 377 flow, removed 8 selfloop flow, removed 6 redundant places. [2024-10-13 16:36:27,278 INFO L231 Difference]: Finished difference. Result has 56 places, 0 transitions, 0 flow [2024-10-13 16:36:27,278 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=50, PETRI_DIFFERENCE_MINUEND_FLOW=125, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=56, PETRI_TRANSITIONS=0} [2024-10-13 16:36:27,280 INFO L277 CegarLoopForPetriNet]: 59 programPoint places, -3 predicate places. [2024-10-13 16:36:27,281 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 0 transitions, 0 flow [2024-10-13 16:36:27,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.5) internal successors, (123), 6 states have internal predecessors, (123), 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 16:36:27,287 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2024-10-13 16:36:27,289 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2024-10-13 16:36:27,289 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2024-10-13 16:36:27,289 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2024-10-13 16:36:27,289 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2024-10-13 16:36:27,293 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2024-10-13 16:36:27,295 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2024-10-13 16:36:27,295 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2024-10-13 16:36:27,295 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2024-10-13 16:36:27,296 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2024-10-13 16:36:27,296 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2024-10-13 16:36:27,296 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2024-10-13 16:36:27,296 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2024-10-13 16:36:27,296 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2024-10-13 16:36:27,296 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2024-10-13 16:36:27,296 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2024-10-13 16:36:27,296 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2024-10-13 16:36:27,296 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2024-10-13 16:36:27,296 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2024-10-13 16:36:27,297 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2024-10-13 16:36:27,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 16:36:27,297 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-13 16:36:27,309 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-13 16:36:27,309 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 16:36:27,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 04:36:27 BasicIcfg [2024-10-13 16:36:27,323 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 16:36:27,324 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 16:36:27,324 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 16:36:27,324 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 16:36:27,324 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 04:36:18" (3/4) ... [2024-10-13 16:36:27,325 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 16:36:27,333 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2024-10-13 16:36:27,333 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2024-10-13 16:36:27,333 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2024-10-13 16:36:27,333 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P3 [2024-10-13 16:36:27,342 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 95 nodes and edges [2024-10-13 16:36:27,343 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-10-13 16:36:27,344 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-13 16:36:27,347 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-13 16:36:27,477 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 16:36:27,478 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 16:36:27,478 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 16:36:27,478 INFO L158 Benchmark]: Toolchain (without parser) took 10109.14ms. Allocated memory was 201.3MB in the beginning and 1.0GB in the end (delta: 834.7MB). Free memory was 129.1MB in the beginning and 816.0MB in the end (delta: -686.9MB). Peak memory consumption was 148.2MB. Max. memory is 16.1GB. [2024-10-13 16:36:27,479 INFO L158 Benchmark]: CDTParser took 0.70ms. Allocated memory is still 201.3MB. Free memory is still 159.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:36:27,479 INFO L158 Benchmark]: CACSL2BoogieTranslator took 626.07ms. Allocated memory is still 201.3MB. Free memory was 129.1MB in the beginning and 167.0MB in the end (delta: -38.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-10-13 16:36:27,479 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.46ms. Allocated memory is still 201.3MB. Free memory was 167.0MB in the beginning and 164.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 16:36:27,479 INFO L158 Benchmark]: Boogie Preprocessor took 43.27ms. Allocated memory is still 201.3MB. Free memory was 164.4MB in the beginning and 160.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 16:36:27,479 INFO L158 Benchmark]: RCFGBuilder took 644.50ms. Allocated memory is still 201.3MB. Free memory was 160.2MB in the beginning and 102.5MB in the end (delta: 57.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-10-13 16:36:27,480 INFO L158 Benchmark]: TraceAbstraction took 8579.18ms. Allocated memory was 201.3MB in the beginning and 1.0GB in the end (delta: 834.7MB). Free memory was 102.5MB in the beginning and 821.2MB in the end (delta: -718.7MB). Peak memory consumption was 692.6MB. Max. memory is 16.1GB. [2024-10-13 16:36:27,480 INFO L158 Benchmark]: Witness Printer took 154.31ms. Allocated memory is still 1.0GB. Free memory was 821.2MB in the beginning and 816.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 16:36:27,481 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70ms. Allocated memory is still 201.3MB. Free memory is still 159.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 626.07ms. Allocated memory is still 201.3MB. Free memory was 129.1MB in the beginning and 167.0MB in the end (delta: -38.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.46ms. Allocated memory is still 201.3MB. Free memory was 167.0MB in the beginning and 164.4MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.27ms. Allocated memory is still 201.3MB. Free memory was 164.4MB in the beginning and 160.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 644.50ms. Allocated memory is still 201.3MB. Free memory was 160.2MB in the beginning and 102.5MB in the end (delta: 57.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * TraceAbstraction took 8579.18ms. Allocated memory was 201.3MB in the beginning and 1.0GB in the end (delta: 834.7MB). Free memory was 102.5MB in the beginning and 821.2MB in the end (delta: -718.7MB). Peak memory consumption was 692.6MB. Max. memory is 16.1GB. * Witness Printer took 154.31ms. Allocated memory is still 1.0GB. Free memory was 821.2MB in the beginning and 816.0MB 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: 754]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 754]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 769]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 769]: 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: 789]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 819]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 819]: 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, 91 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: 8.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 288 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 278 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 425 IncrementalHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 2 mSDtfsCounter, 425 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=212occurred 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, 0.5s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 79 ConstructedInterpolants, 0 QuantifiedInterpolants, 237 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 16:36:27,500 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE