./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-1_1-join.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-1_1-join.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ab598119c4148bae0d8b880ae1fca3b30d4f7d9a1b46bb07e7f3565fa04f9e72 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 14:27:55,444 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 14:27:55,525 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 14:27:55,530 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 14:27:55,532 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 14:27:55,568 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 14:27:55,570 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 14:27:55,570 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 14:27:55,571 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 14:27:55,572 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 14:27:55,572 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 14:27:55,572 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 14:27:55,573 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 14:27:55,574 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 14:27:55,575 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 14:27:55,576 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 14:27:55,576 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 14:27:55,576 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 14:27:55,577 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 14:27:55,577 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 14:27:55,577 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 14:27:55,581 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 14:27:55,581 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 14:27:55,581 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 14:27:55,581 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 14:27:55,581 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 14:27:55,582 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 14:27:55,582 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 14:27:55,582 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 14:27:55,582 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 14:27:55,583 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 14:27:55,583 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 14:27:55,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 14:27:55,583 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 14:27:55,583 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 14:27:55,583 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 14:27:55,584 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 14:27:55,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 14:27:55,584 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 14:27:55,584 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 14:27:55,585 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 14:27:55,586 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 14:27:55,586 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab598119c4148bae0d8b880ae1fca3b30d4f7d9a1b46bb07e7f3565fa04f9e72 [2024-10-14 14:27:55,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 14:27:55,843 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 14:27:55,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 14:27:55,847 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 14:27:55,847 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 14:27:55,848 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-1_1-join.i [2024-10-14 14:27:57,256 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 14:27:57,578 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 14:27:57,578 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-1_1-join.i [2024-10-14 14:27:57,606 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4b348929/4142872685434a73a58144f6a8c54d84/FLAG597f7e079 [2024-10-14 14:27:57,620 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4b348929/4142872685434a73a58144f6a8c54d84 [2024-10-14 14:27:57,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 14:27:57,626 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 14:27:57,627 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 14:27:57,628 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 14:27:57,632 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 14:27:57,633 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:27:57" (1/1) ... [2024-10-14 14:27:57,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49cf4905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:27:57, skipping insertion in model container [2024-10-14 14:27:57,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 02:27:57" (1/1) ... [2024-10-14 14:27:57,685 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 14:27:58,267 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-1_1-join.i[76068,76081] [2024-10-14 14:27:58,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 14:27:58,308 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 14:27:58,388 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-1_1-join.i[76068,76081] [2024-10-14 14:27:58,401 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 14:27:58,500 INFO L204 MainTranslator]: Completed translation [2024-10-14 14:27:58,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:27:58 WrapperNode [2024-10-14 14:27:58,501 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 14:27:58,502 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 14:27:58,502 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 14:27:58,502 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 14:27:58,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:27:58" (1/1) ... [2024-10-14 14:27:58,559 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:27:58" (1/1) ... [2024-10-14 14:27:58,597 INFO L138 Inliner]: procedures = 481, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 90 [2024-10-14 14:27:58,599 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 14:27:58,599 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 14:27:58,600 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 14:27:58,600 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 14:27:58,609 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:27:58" (1/1) ... [2024-10-14 14:27:58,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:27:58" (1/1) ... [2024-10-14 14:27:58,617 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:27:58" (1/1) ... [2024-10-14 14:27:58,640 INFO L175 MemorySlicer]: Split 8 memory accesses to 3 slices as follows [2, 5, 1]. 63 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5, 0]. The 1 writes are split as follows [0, 0, 1]. [2024-10-14 14:27:58,641 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:27:58" (1/1) ... [2024-10-14 14:27:58,641 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:27:58" (1/1) ... [2024-10-14 14:27:58,655 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:27:58" (1/1) ... [2024-10-14 14:27:58,660 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:27:58" (1/1) ... [2024-10-14 14:27:58,667 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:27:58" (1/1) ... [2024-10-14 14:27:58,669 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:27:58" (1/1) ... [2024-10-14 14:27:58,680 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 14:27:58,681 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 14:27:58,681 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 14:27:58,681 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 14:27:58,682 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:27:58" (1/1) ... [2024-10-14 14:27:58,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 14:27:58,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 14:27:58,719 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 14:27:58,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 14:27:58,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-14 14:27:58,767 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-14 14:27:58,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 14:27:58,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-14 14:27:58,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-14 14:27:58,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-14 14:27:58,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 14:27:58,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 14:27:58,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-14 14:27:58,770 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-14 14:27:58,770 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-14 14:27:58,770 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-14 14:27:58,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 14:27:58,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 14:27:58,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-14 14:27:58,772 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-14 14:27:59,023 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 14:27:59,025 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 14:27:59,185 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-14 14:27:59,186 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 14:27:59,314 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 14:27:59,315 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 14:27:59,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:27:59 BoogieIcfgContainer [2024-10-14 14:27:59,316 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 14:27:59,319 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 14:27:59,320 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 14:27:59,323 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 14:27:59,323 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 02:27:57" (1/3) ... [2024-10-14 14:27:59,324 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18b55230 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:27:59, skipping insertion in model container [2024-10-14 14:27:59,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 02:27:58" (2/3) ... [2024-10-14 14:27:59,325 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18b55230 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 02:27:59, skipping insertion in model container [2024-10-14 14:27:59,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:27:59" (3/3) ... [2024-10-14 14:27:59,327 INFO L112 eAbstractionObserver]: Analyzing ICFG race-1_1-join.i [2024-10-14 14:27:59,347 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 14:27:59,347 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-14 14:27:59,348 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-14 14:27:59,381 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-14 14:27:59,422 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 35 places, 37 transitions, 81 flow [2024-10-14 14:27:59,455 INFO L124 PetriNetUnfolderBase]: 5/40 cut-off events. [2024-10-14 14:27:59,455 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-14 14:27:59,460 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 40 events. 5/40 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 71 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 17. Up to 3 conditions per place. [2024-10-14 14:27:59,460 INFO L82 GeneralOperation]: Start removeDead. Operand has 35 places, 37 transitions, 81 flow [2024-10-14 14:27:59,464 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 32 places, 30 transitions, 66 flow [2024-10-14 14:27:59,477 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 14:27:59,484 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;@1519332, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 14:27:59,485 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-14 14:27:59,487 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-14 14:27:59,488 INFO L124 PetriNetUnfolderBase]: 1/4 cut-off events. [2024-10-14 14:27:59,488 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 14:27:59,488 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 14:27:59,489 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-10-14 14:27:59,489 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-14 14:27:59,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 14:27:59,495 INFO L85 PathProgramCache]: Analyzing trace with hash 275663, now seen corresponding path program 1 times [2024-10-14 14:27:59,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 14:27:59,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533368320] [2024-10-14 14:27:59,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 14:27:59,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 14:27:59,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:27:59,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 14:27:59,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 14:27:59,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533368320] [2024-10-14 14:27:59,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533368320] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 14:27:59,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 14:27:59,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 14:27:59,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884582210] [2024-10-14 14:27:59,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 14:27:59,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 14:27:59,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 14:27:59,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 14:27:59,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 14:28:00,004 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 37 [2024-10-14 14:28:00,007 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 30 transitions, 66 flow. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 14:28:00,007 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 14:28:00,007 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 37 [2024-10-14 14:28:00,008 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 14:28:00,081 INFO L124 PetriNetUnfolderBase]: 25/78 cut-off events. [2024-10-14 14:28:00,081 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-14 14:28:00,082 INFO L83 FinitePrefix]: Finished finitePrefix Result has 152 conditions, 78 events. 25/78 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 221 event pairs, 25 based on Foata normal form. 6/72 useless extension candidates. Maximal degree in co-relation 130. Up to 65 conditions per place. [2024-10-14 14:28:00,083 INFO L140 encePairwiseOnDemand]: 29/37 looper letters, 10 selfloop transitions, 2 changer transitions 6/22 dead transitions. [2024-10-14 14:28:00,083 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 22 transitions, 86 flow [2024-10-14 14:28:00,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 14:28:00,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 14:28:00,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 46 transitions. [2024-10-14 14:28:00,092 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4144144144144144 [2024-10-14 14:28:00,094 INFO L175 Difference]: Start difference. First operand has 32 places, 30 transitions, 66 flow. Second operand 3 states and 46 transitions. [2024-10-14 14:28:00,094 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 22 transitions, 86 flow [2024-10-14 14:28:00,096 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 22 transitions, 82 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 14:28:00,097 INFO L231 Difference]: Finished difference. Result has 26 places, 16 transitions, 37 flow [2024-10-14 14:28:00,098 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=37, PETRI_PLACES=26, PETRI_TRANSITIONS=16} [2024-10-14 14:28:00,100 INFO L277 CegarLoopForPetriNet]: 32 programPoint places, -6 predicate places. [2024-10-14 14:28:00,101 INFO L471 AbstractCegarLoop]: Abstraction has has 26 places, 16 transitions, 37 flow [2024-10-14 14:28:00,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 14:28:00,101 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 14:28:00,101 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 14:28:00,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 14:28:00,101 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-14 14:28:00,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 14:28:00,102 INFO L85 PathProgramCache]: Analyzing trace with hash -387951690, now seen corresponding path program 1 times [2024-10-14 14:28:00,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 14:28:00,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362799714] [2024-10-14 14:28:00,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 14:28:00,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 14:28:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 14:28:00,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 14:28:00,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 14:28:00,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362799714] [2024-10-14 14:28:00,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362799714] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 14:28:00,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 14:28:00,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 14:28:00,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558050062] [2024-10-14 14:28:00,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 14:28:00,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 14:28:00,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 14:28:00,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 14:28:00,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 14:28:00,270 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 37 [2024-10-14 14:28:00,271 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 26 places, 16 transitions, 37 flow. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 14:28:00,271 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 14:28:00,271 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 37 [2024-10-14 14:28:00,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 14:28:00,315 INFO L124 PetriNetUnfolderBase]: 15/44 cut-off events. [2024-10-14 14:28:00,317 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-14 14:28:00,317 INFO L83 FinitePrefix]: Finished finitePrefix Result has 92 conditions, 44 events. 15/44 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 104 event pairs, 5 based on Foata normal form. 0/40 useless extension candidates. Maximal degree in co-relation 82. Up to 22 conditions per place. [2024-10-14 14:28:00,318 INFO L140 encePairwiseOnDemand]: 35/37 looper letters, 0 selfloop transitions, 0 changer transitions 19/19 dead transitions. [2024-10-14 14:28:00,318 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 19 transitions, 77 flow [2024-10-14 14:28:00,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 14:28:00,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 14:28:00,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 54 transitions. [2024-10-14 14:28:00,320 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4864864864864865 [2024-10-14 14:28:00,320 INFO L175 Difference]: Start difference. First operand has 26 places, 16 transitions, 37 flow. Second operand 3 states and 54 transitions. [2024-10-14 14:28:00,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 19 transitions, 77 flow [2024-10-14 14:28:00,321 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 19 transitions, 73 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-14 14:28:00,321 INFO L231 Difference]: Finished difference. Result has 18 places, 0 transitions, 0 flow [2024-10-14 14:28:00,322 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=29, PETRI_DIFFERENCE_MINUEND_PLACES=16, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=18, PETRI_TRANSITIONS=0} [2024-10-14 14:28:00,323 INFO L277 CegarLoopForPetriNet]: 32 programPoint places, -14 predicate places. [2024-10-14 14:28:00,323 INFO L471 AbstractCegarLoop]: Abstraction has has 18 places, 0 transitions, 0 flow [2024-10-14 14:28:00,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 14:28:00,326 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2024-10-14 14:28:00,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2024-10-14 14:28:00,327 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining) [2024-10-14 14:28:00,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2024-10-14 14:28:00,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-10-14 14:28:00,328 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2024-10-14 14:28:00,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 14:28:00,328 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-14 14:28:00,336 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-14 14:28:00,337 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 14:28:00,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 02:28:00 BasicIcfg [2024-10-14 14:28:00,346 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 14:28:00,347 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 14:28:00,347 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 14:28:00,347 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 14:28:00,348 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 02:27:59" (3/4) ... [2024-10-14 14:28:00,350 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 14:28:00,353 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-14 14:28:00,360 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2024-10-14 14:28:00,362 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-10-14 14:28:00,362 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-10-14 14:28:00,363 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-14 14:28:00,458 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 14:28:00,458 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 14:28:00,458 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 14:28:00,459 INFO L158 Benchmark]: Toolchain (without parser) took 2833.16ms. Allocated memory was 159.4MB in the beginning and 201.3MB in the end (delta: 41.9MB). Free memory was 98.2MB in the beginning and 87.6MB in the end (delta: 10.6MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. [2024-10-14 14:28:00,459 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 96.5MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 14:28:00,459 INFO L158 Benchmark]: CACSL2BoogieTranslator took 873.65ms. Allocated memory is still 159.4MB. Free memory was 97.8MB in the beginning and 83.4MB in the end (delta: 14.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-14 14:28:00,462 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.14ms. Allocated memory is still 159.4MB. Free memory was 83.4MB in the beginning and 80.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 14:28:00,464 INFO L158 Benchmark]: Boogie Preprocessor took 81.09ms. Allocated memory is still 159.4MB. Free memory was 80.3MB in the beginning and 76.2MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 14:28:00,464 INFO L158 Benchmark]: RCFGBuilder took 634.88ms. Allocated memory was 159.4MB in the beginning and 201.3MB in the end (delta: 41.9MB). Free memory was 76.2MB in the beginning and 165.2MB in the end (delta: -88.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-10-14 14:28:00,464 INFO L158 Benchmark]: TraceAbstraction took 1027.03ms. Allocated memory is still 201.3MB. Free memory was 165.2MB in the beginning and 91.8MB in the end (delta: 73.4MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2024-10-14 14:28:00,465 INFO L158 Benchmark]: Witness Printer took 111.71ms. Allocated memory is still 201.3MB. Free memory was 91.8MB in the beginning and 87.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 14:28:00,466 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 96.5MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 873.65ms. Allocated memory is still 159.4MB. Free memory was 97.8MB in the beginning and 83.4MB in the end (delta: 14.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.14ms. Allocated memory is still 159.4MB. Free memory was 83.4MB in the beginning and 80.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.09ms. Allocated memory is still 159.4MB. Free memory was 80.3MB in the beginning and 76.2MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 634.88ms. Allocated memory was 159.4MB in the beginning and 201.3MB in the end (delta: 41.9MB). Free memory was 76.2MB in the beginning and 165.2MB in the end (delta: -88.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1027.03ms. Allocated memory is still 201.3MB. Free memory was 165.2MB in the beginning and 91.8MB in the end (delta: 73.4MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. * Witness Printer took 111.71ms. Allocated memory is still 201.3MB. Free memory was 91.8MB in the beginning and 87.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1693]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 43 locations, 6 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: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 63 IncrementalHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 2 mSDtfsCounter, 63 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=0, InterpolantAutomatonStates: 6, 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, 0.3s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 17 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-14 14:28:00,500 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