./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-2_3-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_3-container_of.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 11cd6df53312b6388eb67fa3ddad4ddfe9675663ccf0a1507d8b60fd9abceccc --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 06:59:59,118 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 06:59:59,183 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 06:59:59,190 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 06:59:59,191 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 06:59:59,226 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 06:59:59,226 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 06:59:59,227 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 06:59:59,227 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 06:59:59,229 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 06:59:59,229 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 06:59:59,229 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 06:59:59,230 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 06:59:59,232 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 06:59:59,232 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 06:59:59,232 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 06:59:59,233 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 06:59:59,233 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 06:59:59,233 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 06:59:59,233 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 06:59:59,233 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 06:59:59,241 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 06:59:59,242 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 06:59:59,242 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 06:59:59,242 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 06:59:59,242 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 06:59:59,242 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 06:59:59,242 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 06:59:59,242 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 06:59:59,243 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 06:59:59,243 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 06:59:59,243 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 06:59:59,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 06:59:59,243 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 06:59:59,243 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 06:59:59,244 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 06:59:59,244 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 06:59:59,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 06:59:59,244 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 06:59:59,244 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 06:59:59,244 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 06:59:59,245 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 06:59:59,246 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11cd6df53312b6388eb67fa3ddad4ddfe9675663ccf0a1507d8b60fd9abceccc [2024-10-13 06:59:59,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 06:59:59,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 06:59:59,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 06:59:59,507 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 06:59:59,507 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 06:59:59,508 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2024-10-13 07:00:00,955 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 07:00:01,231 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 07:00:01,232 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_3-container_of.i [2024-10-13 07:00:01,265 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f84160733/c977cc1de34a4565a91a3f176127972d/FLAG474e28a05 [2024-10-13 07:00:01,281 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f84160733/c977cc1de34a4565a91a3f176127972d [2024-10-13 07:00:01,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 07:00:01,285 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 07:00:01,286 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 07:00:01,286 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 07:00:01,290 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 07:00:01,291 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:00:01" (1/1) ... [2024-10-13 07:00:01,292 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bd1d69d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:00:01, skipping insertion in model container [2024-10-13 07:00:01,292 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:00:01" (1/1) ... [2024-10-13 07:00:01,355 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 07:00:01,768 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-2_3-container_of.i[186287,186300] [2024-10-13 07:00:01,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 07:00:01,842 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 07:00:01,887 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-2_3-container_of.i[186287,186300] [2024-10-13 07:00:01,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 07:00:01,943 INFO L204 MainTranslator]: Completed translation [2024-10-13 07:00:01,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:00:01 WrapperNode [2024-10-13 07:00:01,944 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 07:00:01,945 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 07:00:01,946 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 07:00:01,946 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 07:00:01,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:00:01" (1/1) ... [2024-10-13 07:00:01,978 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:00:01" (1/1) ... [2024-10-13 07:00:02,012 INFO L138 Inliner]: procedures = 248, calls = 55, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 136 [2024-10-13 07:00:02,013 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 07:00:02,014 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 07:00:02,014 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 07:00:02,014 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 07:00:02,024 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:00:01" (1/1) ... [2024-10-13 07:00:02,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:00:01" (1/1) ... [2024-10-13 07:00:02,030 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:00:01" (1/1) ... [2024-10-13 07:00:02,061 INFO L175 MemorySlicer]: Split 19 memory accesses to 3 slices as follows [2, 2, 15]. 79 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 10 writes are split as follows [0, 2, 8]. [2024-10-13 07:00:02,062 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:00:01" (1/1) ... [2024-10-13 07:00:02,062 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:00:01" (1/1) ... [2024-10-13 07:00:02,070 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:00:01" (1/1) ... [2024-10-13 07:00:02,073 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:00:01" (1/1) ... [2024-10-13 07:00:02,075 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:00:01" (1/1) ... [2024-10-13 07:00:02,077 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:00:01" (1/1) ... [2024-10-13 07:00:02,084 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 07:00:02,085 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 07:00:02,085 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 07:00:02,085 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 07:00:02,086 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:00:01" (1/1) ... [2024-10-13 07:00:02,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 07:00:02,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 07:00:02,128 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 07:00:02,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 07:00:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-10-13 07:00:02,178 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-10-13 07:00:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-13 07:00:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 07:00:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 07:00:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-13 07:00:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-13 07:00:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 07:00:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 07:00:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-13 07:00:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 07:00:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 07:00:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-13 07:00:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-13 07:00:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 07:00:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-13 07:00:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-13 07:00:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-13 07:00:02,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 07:00:02,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 07:00:02,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-13 07:00:02,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 07:00:02,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 07:00:02,184 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-13 07:00:02,450 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 07:00:02,452 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 07:00:02,680 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 07:00:02,680 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 07:00:02,836 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 07:00:02,836 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 07:00:02,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:00:02 BoogieIcfgContainer [2024-10-13 07:00:02,837 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 07:00:02,839 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 07:00:02,840 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 07:00:02,842 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 07:00:02,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:00:01" (1/3) ... [2024-10-13 07:00:02,844 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@678cdb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:00:02, skipping insertion in model container [2024-10-13 07:00:02,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:00:01" (2/3) ... [2024-10-13 07:00:02,844 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@678cdb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:00:02, skipping insertion in model container [2024-10-13 07:00:02,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:00:02" (3/3) ... [2024-10-13 07:00:02,846 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_3-container_of.i [2024-10-13 07:00:02,861 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 07:00:02,861 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-13 07:00:02,862 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 07:00:02,908 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-10-13 07:00:02,941 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 63 places, 63 transitions, 140 flow [2024-10-13 07:00:02,978 INFO L124 PetriNetUnfolderBase]: 8/76 cut-off events. [2024-10-13 07:00:02,979 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-10-13 07:00:02,983 INFO L83 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 76 events. 8/76 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 156 event pairs, 0 based on Foata normal form. 0/58 useless extension candidates. Maximal degree in co-relation 43. Up to 4 conditions per place. [2024-10-13 07:00:02,983 INFO L82 GeneralOperation]: Start removeDead. Operand has 63 places, 63 transitions, 140 flow [2024-10-13 07:00:02,987 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 58 places, 56 transitions, 124 flow [2024-10-13 07:00:02,998 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 07:00:03,007 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;@6747123b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 07:00:03,008 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-13 07:00:03,015 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 07:00:03,015 INFO L124 PetriNetUnfolderBase]: 1/19 cut-off events. [2024-10-13 07:00:03,016 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 07:00:03,016 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 07:00:03,017 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 07:00:03,018 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-10-13 07:00:03,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 07:00:03,024 INFO L85 PathProgramCache]: Analyzing trace with hash 491112928, now seen corresponding path program 1 times [2024-10-13 07:00:03,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 07:00:03,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564162053] [2024-10-13 07:00:03,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:00:03,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 07:00:03,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:00:03,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 07:00:03,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 07:00:03,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564162053] [2024-10-13 07:00:03,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564162053] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 07:00:03,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 07:00:03,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 07:00:03,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136868105] [2024-10-13 07:00:03,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 07:00:03,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 07:00:03,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 07:00:03,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 07:00:03,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 07:00:03,605 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 63 [2024-10-13 07:00:03,607 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 56 transitions, 124 flow. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 07:00:03,608 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 07:00:03,608 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 63 [2024-10-13 07:00:03,609 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 07:00:04,047 INFO L124 PetriNetUnfolderBase]: 1534/2570 cut-off events. [2024-10-13 07:00:04,047 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2024-10-13 07:00:04,053 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5080 conditions, 2570 events. 1534/2570 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 13515 event pairs, 1309 based on Foata normal form. 2/2425 useless extension candidates. Maximal degree in co-relation 4963. Up to 2124 conditions per place. [2024-10-13 07:00:04,068 INFO L140 encePairwiseOnDemand]: 54/63 looper letters, 52 selfloop transitions, 6 changer transitions 0/65 dead transitions. [2024-10-13 07:00:04,069 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 65 transitions, 258 flow [2024-10-13 07:00:04,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 07:00:04,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 07:00:04,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 94 transitions. [2024-10-13 07:00:04,082 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4973544973544973 [2024-10-13 07:00:04,084 INFO L175 Difference]: Start difference. First operand has 58 places, 56 transitions, 124 flow. Second operand 3 states and 94 transitions. [2024-10-13 07:00:04,085 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 65 transitions, 258 flow [2024-10-13 07:00:04,091 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 65 transitions, 250 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-13 07:00:04,094 INFO L231 Difference]: Finished difference. Result has 54 places, 51 transitions, 118 flow [2024-10-13 07:00:04,096 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=118, PETRI_PLACES=54, PETRI_TRANSITIONS=51} [2024-10-13 07:00:04,102 INFO L277 CegarLoopForPetriNet]: 58 programPoint places, -4 predicate places. [2024-10-13 07:00:04,102 INFO L471 AbstractCegarLoop]: Abstraction has has 54 places, 51 transitions, 118 flow [2024-10-13 07:00:04,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 07:00:04,103 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 07:00:04,103 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 07:00:04,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 07:00:04,103 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-10-13 07:00:04,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 07:00:04,104 INFO L85 PathProgramCache]: Analyzing trace with hash -486830400, now seen corresponding path program 1 times [2024-10-13 07:00:04,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 07:00:04,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21687199] [2024-10-13 07:00:04,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:00:04,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 07:00:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:00:04,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 07:00:04,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 07:00:04,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21687199] [2024-10-13 07:00:04,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21687199] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 07:00:04,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 07:00:04,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 07:00:04,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136290466] [2024-10-13 07:00:04,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 07:00:04,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 07:00:04,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 07:00:04,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 07:00:04,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 07:00:04,377 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 11 out of 63 [2024-10-13 07:00:04,378 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 51 transitions, 118 flow. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 07:00:04,379 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 07:00:04,379 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 11 of 63 [2024-10-13 07:00:04,379 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 07:00:04,808 INFO L124 PetriNetUnfolderBase]: 1782/3058 cut-off events. [2024-10-13 07:00:04,809 INFO L125 PetriNetUnfolderBase]: For 122/122 co-relation queries the response was YES. [2024-10-13 07:00:04,813 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6196 conditions, 3058 events. 1782/3058 cut-off events. For 122/122 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 16928 event pairs, 1209 based on Foata normal form. 120/3033 useless extension candidates. Maximal degree in co-relation 3606. Up to 2068 conditions per place. [2024-10-13 07:00:04,825 INFO L140 encePairwiseOnDemand]: 52/63 looper letters, 62 selfloop transitions, 8 changer transitions 4/81 dead transitions. [2024-10-13 07:00:04,825 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 81 transitions, 328 flow [2024-10-13 07:00:04,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 07:00:04,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-10-13 07:00:04,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 120 transitions. [2024-10-13 07:00:04,828 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.47619047619047616 [2024-10-13 07:00:04,828 INFO L175 Difference]: Start difference. First operand has 54 places, 51 transitions, 118 flow. Second operand 4 states and 120 transitions. [2024-10-13 07:00:04,828 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 81 transitions, 328 flow [2024-10-13 07:00:04,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 81 transitions, 314 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 07:00:04,831 INFO L231 Difference]: Finished difference. Result has 57 places, 52 transitions, 148 flow [2024-10-13 07:00:04,832 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=148, PETRI_PLACES=57, PETRI_TRANSITIONS=52} [2024-10-13 07:00:04,832 INFO L277 CegarLoopForPetriNet]: 58 programPoint places, -1 predicate places. [2024-10-13 07:00:04,833 INFO L471 AbstractCegarLoop]: Abstraction has has 57 places, 52 transitions, 148 flow [2024-10-13 07:00:04,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 07:00:04,833 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 07:00:04,833 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 07:00:04,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 07:00:04,834 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-10-13 07:00:04,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 07:00:04,834 INFO L85 PathProgramCache]: Analyzing trace with hash -319260675, now seen corresponding path program 1 times [2024-10-13 07:00:04,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 07:00:04,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694139200] [2024-10-13 07:00:04,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:00:04,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 07:00:04,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:00:05,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 07:00:05,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 07:00:05,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694139200] [2024-10-13 07:00:05,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694139200] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 07:00:05,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 07:00:05,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 07:00:05,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146899892] [2024-10-13 07:00:05,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 07:00:05,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 07:00:05,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 07:00:05,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 07:00:05,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 07:00:05,032 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 63 [2024-10-13 07:00:05,032 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 52 transitions, 148 flow. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 07:00:05,032 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 07:00:05,033 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 63 [2024-10-13 07:00:05,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 07:00:05,361 INFO L124 PetriNetUnfolderBase]: 1808/3194 cut-off events. [2024-10-13 07:00:05,361 INFO L125 PetriNetUnfolderBase]: For 646/646 co-relation queries the response was YES. [2024-10-13 07:00:05,367 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7015 conditions, 3194 events. 1808/3194 cut-off events. For 646/646 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 18964 event pairs, 933 based on Foata normal form. 0/3012 useless extension candidates. Maximal degree in co-relation 5928. Up to 2152 conditions per place. [2024-10-13 07:00:05,381 INFO L140 encePairwiseOnDemand]: 55/63 looper letters, 52 selfloop transitions, 7 changer transitions 0/71 dead transitions. [2024-10-13 07:00:05,381 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 71 transitions, 312 flow [2024-10-13 07:00:05,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 07:00:05,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 07:00:05,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 113 transitions. [2024-10-13 07:00:05,385 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5978835978835979 [2024-10-13 07:00:05,386 INFO L175 Difference]: Start difference. First operand has 57 places, 52 transitions, 148 flow. Second operand 3 states and 113 transitions. [2024-10-13 07:00:05,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 71 transitions, 312 flow [2024-10-13 07:00:05,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 71 transitions, 299 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-10-13 07:00:05,391 INFO L231 Difference]: Finished difference. Result has 58 places, 58 transitions, 197 flow [2024-10-13 07:00:05,391 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=135, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=197, PETRI_PLACES=58, PETRI_TRANSITIONS=58} [2024-10-13 07:00:05,392 INFO L277 CegarLoopForPetriNet]: 58 programPoint places, 0 predicate places. [2024-10-13 07:00:05,392 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 58 transitions, 197 flow [2024-10-13 07:00:05,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 07:00:05,393 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 07:00:05,393 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 07:00:05,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 07:00:05,394 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-10-13 07:00:05,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 07:00:05,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1307145895, now seen corresponding path program 1 times [2024-10-13 07:00:05,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 07:00:05,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801176568] [2024-10-13 07:00:05,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:00:05,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 07:00:05,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:00:05,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 07:00:05,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 07:00:05,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801176568] [2024-10-13 07:00:05,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801176568] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 07:00:05,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 07:00:05,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 07:00:05,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913806327] [2024-10-13 07:00:05,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 07:00:05,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 07:00:05,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 07:00:05,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 07:00:05,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 07:00:05,552 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 19 out of 63 [2024-10-13 07:00:05,553 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 58 transitions, 197 flow. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 07:00:05,553 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 07:00:05,553 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 19 of 63 [2024-10-13 07:00:05,553 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 07:00:05,910 INFO L124 PetriNetUnfolderBase]: 2166/3817 cut-off events. [2024-10-13 07:00:05,910 INFO L125 PetriNetUnfolderBase]: For 2497/2497 co-relation queries the response was YES. [2024-10-13 07:00:05,916 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9706 conditions, 3817 events. 2166/3817 cut-off events. For 2497/2497 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 23286 event pairs, 1183 based on Foata normal form. 0/3701 useless extension candidates. Maximal degree in co-relation 1059. Up to 2585 conditions per place. [2024-10-13 07:00:05,939 INFO L140 encePairwiseOnDemand]: 55/63 looper letters, 56 selfloop transitions, 12 changer transitions 0/80 dead transitions. [2024-10-13 07:00:05,939 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 80 transitions, 425 flow [2024-10-13 07:00:05,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 07:00:05,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 07:00:05,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 112 transitions. [2024-10-13 07:00:05,943 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5925925925925926 [2024-10-13 07:00:05,943 INFO L175 Difference]: Start difference. First operand has 58 places, 58 transitions, 197 flow. Second operand 3 states and 112 transitions. [2024-10-13 07:00:05,943 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 80 transitions, 425 flow [2024-10-13 07:00:05,950 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 80 transitions, 385 flow, removed 8 selfloop flow, removed 2 redundant places. [2024-10-13 07:00:05,952 INFO L231 Difference]: Finished difference. Result has 60 places, 68 transitions, 291 flow [2024-10-13 07:00:05,953 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=175, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=291, PETRI_PLACES=60, PETRI_TRANSITIONS=68} [2024-10-13 07:00:05,953 INFO L277 CegarLoopForPetriNet]: 58 programPoint places, 2 predicate places. [2024-10-13 07:00:05,954 INFO L471 AbstractCegarLoop]: Abstraction has has 60 places, 68 transitions, 291 flow [2024-10-13 07:00:05,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 07:00:05,955 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 07:00:05,955 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 07:00:05,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 07:00:05,955 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-10-13 07:00:05,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 07:00:05,956 INFO L85 PathProgramCache]: Analyzing trace with hash -2113691015, now seen corresponding path program 1 times [2024-10-13 07:00:05,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 07:00:05,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939155236] [2024-10-13 07:00:05,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:00:05,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 07:00:05,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 07:00:05,988 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-13 07:00:06,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-13 07:00:06,033 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-13 07:00:06,034 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-13 07:00:06,035 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining) [2024-10-13 07:00:06,037 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2024-10-13 07:00:06,037 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2024-10-13 07:00:06,037 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2024-10-13 07:00:06,037 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2024-10-13 07:00:06,038 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2024-10-13 07:00:06,038 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining) [2024-10-13 07:00:06,038 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining) [2024-10-13 07:00:06,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 07:00:06,038 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-13 07:00:06,074 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-13 07:00:06,075 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 07:00:06,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:00:06 BasicIcfg [2024-10-13 07:00:06,084 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 07:00:06,084 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 07:00:06,084 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 07:00:06,084 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 07:00:06,085 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:00:02" (3/4) ... [2024-10-13 07:00:06,086 INFO L133 WitnessPrinter]: Generating witness for reachability counterexample [2024-10-13 07:00:06,138 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 07:00:06,138 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 07:00:06,139 INFO L158 Benchmark]: Toolchain (without parser) took 4853.52ms. Allocated memory was 144.7MB in the beginning and 262.1MB in the end (delta: 117.4MB). Free memory was 87.3MB in the beginning and 110.3MB in the end (delta: -23.1MB). Peak memory consumption was 94.9MB. Max. memory is 16.1GB. [2024-10-13 07:00:06,139 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 144.7MB. Free memory is still 110.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 07:00:06,140 INFO L158 Benchmark]: CACSL2BoogieTranslator took 658.18ms. Allocated memory is still 144.7MB. Free memory was 87.3MB in the beginning and 50.1MB in the end (delta: 37.2MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-10-13 07:00:06,140 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.44ms. Allocated memory is still 144.7MB. Free memory was 50.1MB in the beginning and 47.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 07:00:06,140 INFO L158 Benchmark]: Boogie Preprocessor took 70.57ms. Allocated memory is still 144.7MB. Free memory was 47.4MB in the beginning and 43.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 07:00:06,141 INFO L158 Benchmark]: RCFGBuilder took 751.71ms. Allocated memory was 144.7MB in the beginning and 213.9MB in the end (delta: 69.2MB). Free memory was 43.2MB in the beginning and 146.8MB in the end (delta: -103.5MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2024-10-13 07:00:06,141 INFO L158 Benchmark]: TraceAbstraction took 3244.23ms. Allocated memory was 213.9MB in the beginning and 262.1MB in the end (delta: 48.2MB). Free memory was 145.7MB in the beginning and 114.5MB in the end (delta: 31.2MB). Peak memory consumption was 78.4MB. Max. memory is 16.1GB. [2024-10-13 07:00:06,141 INFO L158 Benchmark]: Witness Printer took 53.92ms. Allocated memory is still 262.1MB. Free memory was 114.5MB in the beginning and 110.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 07:00:06,143 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 144.7MB. Free memory is still 110.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 658.18ms. Allocated memory is still 144.7MB. Free memory was 87.3MB in the beginning and 50.1MB in the end (delta: 37.2MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.44ms. Allocated memory is still 144.7MB. Free memory was 50.1MB in the beginning and 47.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.57ms. Allocated memory is still 144.7MB. Free memory was 47.4MB in the beginning and 43.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 751.71ms. Allocated memory was 144.7MB in the beginning and 213.9MB in the end (delta: 69.2MB). Free memory was 43.2MB in the beginning and 146.8MB in the end (delta: -103.5MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * TraceAbstraction took 3244.23ms. Allocated memory was 213.9MB in the beginning and 262.1MB in the end (delta: 48.2MB). Free memory was 145.7MB in the beginning and 114.5MB in the end (delta: 31.2MB). Peak memory consumption was 78.4MB. Max. memory is 16.1GB. * Witness Printer took 53.92ms. Allocated memory is still 262.1MB. Free memory was 114.5MB in the beginning and 110.3MB 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: - CounterExampleResult [Line: 3887]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L3888] 0 pthread_t t1,t2; [L3962] CALL, EXPR 0 my_drv_init() [L3956] 0 return 0; [L3962] RET, EXPR 0 my_drv_init() [L3962] 0 int ret = my_drv_init(); [L3963] COND TRUE 0 ret==0 [L3964] 0 int probe_ret; [L3965] 0 struct my_data data; [L3966] CALL 0 my_drv_probe(&data) [L3919] 0 struct device *d = &data->dev; [L3923] 0 data->shared.a = 0 [L3924] 0 data->shared.b = 0 [L3925] 0 int res = __VERIFIER_nondet_int(); [L3926] COND FALSE 0 !(\read(res)) [L3929] FCALL, FORK 0 pthread_create(&t1, ((void *)0), my_callback, (void *)d) VAL [\old(arg)={4:24}, \old(data)={4:0}, d={4:24}, data={4:0}, res=0, t1=-1, t2=0] [L3902] 1 struct device *dev = (struct device*)arg; [L3903] 1 struct my_data *data; [L3904] 1 const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); [L3904] 1 { const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - __builtin_offsetof (struct my_data, dev) );} [L3904] 1 data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - __builtin_offsetof (struct my_data, dev) );}) [L3930] FCALL, FORK 0 pthread_create(&t2, ((void *)0), my_callback, (void *)d) VAL [\old(arg)={4:24}, \old(data)={4:0}, arg={4:24}, d={4:24}, data={4:0}, data={4:0}, dev={4:24}, res=0, t1=-1, t2=0] [L3933] 0 data->shared.a = 3 VAL [\old(arg)={4:24}, arg={4:24}, data={4:0}, dev={4:24}, t1=-1, t2=0] [L3907] 1 data->shared.a = 1 VAL [\old(arg)={4:24}, arg={4:24}, data={4:0}, dev={4:24}, t1=-1, t2=0] [L3936] 0 data->shared.b = 3 VAL [\old(arg)={4:24}, arg={4:24}, data={4:0}, dev={4:24}, t1=-1, t2=0] [L3939] EXPR 0 data->shared.a [L3939] CALL 0 ldv_assert(data->shared.a==3) [L3887] COND TRUE 0 !expression [L3887] 0 reach_error() VAL [\old(arg)={4:24}, \old(expression)=0, arg={4:24}, data={4:0}, dev={4:24}, expression=0, t1=-1, t2=0] - UnprovableResult [Line: 3887]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 3887]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 3887]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 3887]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 3887]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 3930]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 3929]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 68 locations, 8 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: 3.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 107 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 84 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 416 IncrementalHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 10 mSDtfsCounter, 416 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=291occurred in iteration=4, InterpolantAutomatonStates: 13, 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, 0.8s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 35 ConstructedInterpolants, 0 QuantifiedInterpolants, 93 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 RESULT: Ultimate proved your program to be incorrect! [2024-10-13 07:00:06,174 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE