./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 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/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-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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-dev-84cfde4 [2024-10-11 14:20:09,259 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 14:20:09,324 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 14:20:09,330 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 14:20:09,332 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 14:20:09,367 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 14:20:09,368 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 14:20:09,369 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 14:20:09,369 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 14:20:09,370 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 14:20:09,372 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 14:20:09,372 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 14:20:09,373 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 14:20:09,373 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 14:20:09,373 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 14:20:09,376 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 14:20:09,376 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 14:20:09,376 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 14:20:09,377 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 14:20:09,377 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 14:20:09,377 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 14:20:09,381 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 14:20:09,381 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 14:20:09,381 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 14:20:09,382 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 14:20:09,382 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 14:20:09,382 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 14:20:09,382 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 14:20:09,383 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 14:20:09,383 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 14:20:09,383 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 14:20:09,384 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 14:20:09,384 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 14:20:09,384 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 14:20:09,384 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 14:20:09,385 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 14:20:09,385 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 14:20:09,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 14:20:09,386 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 14:20:09,386 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 14:20:09,386 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 14:20:09,386 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 14:20:09,387 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab598119c4148bae0d8b880ae1fca3b30d4f7d9a1b46bb07e7f3565fa04f9e72 [2024-10-11 14:20:09,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 14:20:09,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 14:20:09,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 14:20:09,672 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 14:20:09,673 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 14:20:09,674 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-1_1-join.i [2024-10-11 14:20:11,084 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 14:20:11,416 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 14:20:11,418 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-1_1-join.i [2024-10-11 14:20:11,446 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/4450a0fa4/86ac1b75bb3b496ab014c1045953b70e/FLAG96f6e2ece [2024-10-11 14:20:11,460 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/4450a0fa4/86ac1b75bb3b496ab014c1045953b70e [2024-10-11 14:20:11,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 14:20:11,465 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 14:20:11,466 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 14:20:11,466 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 14:20:11,472 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 14:20:11,473 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:20:11" (1/1) ... [2024-10-11 14:20:11,474 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49671f76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:11, skipping insertion in model container [2024-10-11 14:20:11,474 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:20:11" (1/1) ... [2024-10-11 14:20:11,524 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 14:20:12,236 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] [2024-10-11 14:20:12,266 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 14:20:12,278 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 14:20:12,324 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] [2024-10-11 14:20:12,331 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 14:20:12,453 INFO L204 MainTranslator]: Completed translation [2024-10-11 14:20:12,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:12 WrapperNode [2024-10-11 14:20:12,454 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 14:20:12,455 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 14:20:12,455 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 14:20:12,455 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 14:20:12,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:12" (1/1) ... [2024-10-11 14:20:12,495 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:12" (1/1) ... [2024-10-11 14:20:12,531 INFO L138 Inliner]: procedures = 481, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 90 [2024-10-11 14:20:12,531 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 14:20:12,532 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 14:20:12,532 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 14:20:12,533 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 14:20:12,541 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:12" (1/1) ... [2024-10-11 14:20:12,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:12" (1/1) ... [2024-10-11 14:20:12,545 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:12" (1/1) ... [2024-10-11 14:20:12,560 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]. [2024-10-11 14:20:12,560 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:12" (1/1) ... [2024-10-11 14:20:12,560 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:12" (1/1) ... [2024-10-11 14:20:12,576 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:12" (1/1) ... [2024-10-11 14:20:12,579 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:12" (1/1) ... [2024-10-11 14:20:12,583 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:12" (1/1) ... [2024-10-11 14:20:12,585 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:12" (1/1) ... [2024-10-11 14:20:12,590 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 14:20:12,591 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 14:20:12,592 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 14:20:12,592 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 14:20:12,593 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:12" (1/1) ... [2024-10-11 14:20:12,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 14:20:12,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:20:12,621 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 14:20:12,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 14:20:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 14:20:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-11 14:20:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 14:20:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 14:20:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 14:20:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 14:20:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 14:20:12,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 14:20:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 14:20:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-11 14:20:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-11 14:20:12,673 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-11 14:20:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 14:20:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 14:20:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 14:20:12,675 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-11 14:20:12,914 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 14:20:12,917 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 14:20:13,061 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 14:20:13,061 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 14:20:13,198 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 14:20:13,199 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 14:20:13,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:20:13 BoogieIcfgContainer [2024-10-11 14:20:13,199 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 14:20:13,201 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 14:20:13,202 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 14:20:13,206 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 14:20:13,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:20:11" (1/3) ... [2024-10-11 14:20:13,207 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3677fce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:20:13, skipping insertion in model container [2024-10-11 14:20:13,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:20:12" (2/3) ... [2024-10-11 14:20:13,208 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3677fce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:20:13, skipping insertion in model container [2024-10-11 14:20:13,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:20:13" (3/3) ... [2024-10-11 14:20:13,209 INFO L112 eAbstractionObserver]: Analyzing ICFG race-1_1-join.i [2024-10-11 14:20:13,227 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 14:20:13,227 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-11 14:20:13,227 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 14:20:13,271 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-10-11 14:20:13,316 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 35 places, 37 transitions, 81 flow [2024-10-11 14:20:13,348 INFO L124 PetriNetUnfolderBase]: 5/40 cut-off events. [2024-10-11 14:20:13,349 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-11 14:20:13,352 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. [2024-10-11 14:20:13,353 INFO L82 GeneralOperation]: Start removeDead. Operand has 35 places, 37 transitions, 81 flow [2024-10-11 14:20:13,356 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 32 places, 30 transitions, 66 flow [2024-10-11 14:20:13,369 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 14:20:13,380 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;@7630e820, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 14:20:13,380 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-11 14:20:13,383 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 14:20:13,387 INFO L124 PetriNetUnfolderBase]: 1/4 cut-off events. [2024-10-11 14:20:13,387 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 14:20:13,387 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 14:20:13,388 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2024-10-11 14:20:13,389 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-11 14:20:13,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:20:13,395 INFO L85 PathProgramCache]: Analyzing trace with hash 275663, now seen corresponding path program 1 times [2024-10-11 14:20:13,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:20:13,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425201789] [2024-10-11 14:20:13,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:20:13,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:20:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:20:13,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 14:20:13,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:20:13,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425201789] [2024-10-11 14:20:13,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425201789] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:20:13,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 14:20:13,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 14:20:13,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705344067] [2024-10-11 14:20:13,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:20:13,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 14:20:13,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:20:13,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 14:20:13,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 14:20:13,957 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 37 [2024-10-11 14:20:13,960 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) [2024-10-11 14:20:13,961 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 14:20:13,961 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 37 [2024-10-11 14:20:13,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 14:20:14,039 INFO L124 PetriNetUnfolderBase]: 25/78 cut-off events. [2024-10-11 14:20:14,040 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-11 14:20:14,041 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. [2024-10-11 14:20:14,042 INFO L140 encePairwiseOnDemand]: 29/37 looper letters, 10 selfloop transitions, 2 changer transitions 6/22 dead transitions. [2024-10-11 14:20:14,043 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 28 places, 22 transitions, 86 flow [2024-10-11 14:20:14,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 14:20:14,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 14:20:14,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 46 transitions. [2024-10-11 14:20:14,057 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4144144144144144 [2024-10-11 14:20:14,059 INFO L175 Difference]: Start difference. First operand has 32 places, 30 transitions, 66 flow. Second operand 3 states and 46 transitions. [2024-10-11 14:20:14,060 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 28 places, 22 transitions, 86 flow [2024-10-11 14:20:14,062 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 22 transitions, 82 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 14:20:14,064 INFO L231 Difference]: Finished difference. Result has 26 places, 16 transitions, 37 flow [2024-10-11 14:20:14,066 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} [2024-10-11 14:20:14,072 INFO L277 CegarLoopForPetriNet]: 32 programPoint places, -6 predicate places. [2024-10-11 14:20:14,072 INFO L471 AbstractCegarLoop]: Abstraction has has 26 places, 16 transitions, 37 flow [2024-10-11 14:20:14,072 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) [2024-10-11 14:20:14,073 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 14:20:14,073 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:20:14,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 14:20:14,073 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-10-11 14:20:14,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:20:14,074 INFO L85 PathProgramCache]: Analyzing trace with hash -387951690, now seen corresponding path program 1 times [2024-10-11 14:20:14,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:20:14,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808582997] [2024-10-11 14:20:14,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:20:14,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:20:14,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:20:14,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 14:20:14,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:20:14,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808582997] [2024-10-11 14:20:14,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808582997] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:20:14,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 14:20:14,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 14:20:14,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898475792] [2024-10-11 14:20:14,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:20:14,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 14:20:14,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:20:14,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 14:20:14,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 14:20:14,255 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 37 [2024-10-11 14:20:14,255 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) [2024-10-11 14:20:14,256 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 14:20:14,256 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 37 [2024-10-11 14:20:14,256 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 14:20:14,307 INFO L124 PetriNetUnfolderBase]: 15/44 cut-off events. [2024-10-11 14:20:14,307 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-11 14:20:14,307 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. [2024-10-11 14:20:14,307 INFO L140 encePairwiseOnDemand]: 35/37 looper letters, 0 selfloop transitions, 0 changer transitions 19/19 dead transitions. [2024-10-11 14:20:14,308 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 20 places, 19 transitions, 77 flow [2024-10-11 14:20:14,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 14:20:14,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 14:20:14,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 54 transitions. [2024-10-11 14:20:14,312 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4864864864864865 [2024-10-11 14:20:14,312 INFO L175 Difference]: Start difference. First operand has 26 places, 16 transitions, 37 flow. Second operand 3 states and 54 transitions. [2024-10-11 14:20:14,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 20 places, 19 transitions, 77 flow [2024-10-11 14:20:14,313 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 18 places, 19 transitions, 73 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-11 14:20:14,313 INFO L231 Difference]: Finished difference. Result has 18 places, 0 transitions, 0 flow [2024-10-11 14:20:14,313 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} [2024-10-11 14:20:14,314 INFO L277 CegarLoopForPetriNet]: 32 programPoint places, -14 predicate places. [2024-10-11 14:20:14,314 INFO L471 AbstractCegarLoop]: Abstraction has has 18 places, 0 transitions, 0 flow [2024-10-11 14:20:14,315 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) [2024-10-11 14:20:14,317 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2024-10-11 14:20:14,318 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2024-10-11 14:20:14,319 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining) [2024-10-11 14:20:14,319 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2024-10-11 14:20:14,320 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2024-10-11 14:20:14,320 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2024-10-11 14:20:14,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 14:20:14,320 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-11 14:20:14,327 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-11 14:20:14,328 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 14:20:14,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:20:14 BasicIcfg [2024-10-11 14:20:14,335 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 14:20:14,336 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 14:20:14,336 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 14:20:14,336 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 14:20:14,338 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:20:13" (3/4) ... [2024-10-11 14:20:14,339 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 14:20:14,342 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-11 14:20:14,349 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2024-10-11 14:20:14,351 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-10-11 14:20:14,351 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-10-11 14:20:14,352 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-11 14:20:14,455 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 14:20:14,456 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 14:20:14,456 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 14:20:14,457 INFO L158 Benchmark]: Toolchain (without parser) took 2992.54ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 72.0MB in the beginning and 109.8MB in the end (delta: -37.8MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2024-10-11 14:20:14,457 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 146.8MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 14:20:14,458 INFO L158 Benchmark]: CACSL2BoogieTranslator took 988.20ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 71.8MB in the beginning and 126.6MB in the end (delta: -54.8MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2024-10-11 14:20:14,459 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.63ms. Allocated memory is still 197.1MB. Free memory was 126.6MB in the beginning and 123.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 14:20:14,459 INFO L158 Benchmark]: Boogie Preprocessor took 58.38ms. Allocated memory is still 197.1MB. Free memory was 123.4MB in the beginning and 120.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 14:20:14,459 INFO L158 Benchmark]: RCFGBuilder took 607.94ms. Allocated memory is still 197.1MB. Free memory was 120.3MB in the beginning and 88.8MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-10-11 14:20:14,463 INFO L158 Benchmark]: TraceAbstraction took 1133.79ms. Allocated memory is still 197.1MB. Free memory was 87.8MB in the beginning and 115.0MB in the end (delta: -27.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 14:20:14,464 INFO L158 Benchmark]: Witness Printer took 120.78ms. Allocated memory is still 197.1MB. Free memory was 115.0MB in the beginning and 109.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 14:20:14,465 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 146.8MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 988.20ms. Allocated memory was 146.8MB in the beginning and 197.1MB in the end (delta: 50.3MB). Free memory was 71.8MB in the beginning and 126.6MB in the end (delta: -54.8MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.63ms. Allocated memory is still 197.1MB. Free memory was 126.6MB in the beginning and 123.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.38ms. Allocated memory is still 197.1MB. Free memory was 123.4MB in the beginning and 120.3MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 607.94ms. Allocated memory is still 197.1MB. Free memory was 120.3MB in the beginning and 88.8MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1133.79ms. Allocated memory is still 197.1MB. Free memory was 87.8MB in the beginning and 115.0MB in the end (delta: -27.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 120.78ms. Allocated memory is still 197.1MB. Free memory was 115.0MB in the beginning and 109.8MB 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: 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: 1.0s, 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, 0.4s 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! [2024-10-11 14:20:14,497 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE