./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_095851c2-4f5d-4535-a353-4b422a736284/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_095851c2-4f5d-4535-a353-4b422a736284/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_095851c2-4f5d-4535-a353-4b422a736284/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_095851c2-4f5d-4535-a353-4b422a736284/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_095851c2-4f5d-4535-a353-4b422a736284/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_095851c2-4f5d-4535-a353-4b422a736284/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dad265ed8a17f32bb0a174302dfe188f9a15f60b81cc9c28a67851ab05270da2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:05:24,473 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:05:24,558 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_095851c2-4f5d-4535-a353-4b422a736284/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-19 08:05:24,564 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:05:24,565 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:05:24,590 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:05:24,591 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:05:24,591 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:05:24,592 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:05:24,593 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:05:24,594 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:05:24,594 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:05:24,595 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:05:24,596 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:05:24,596 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:05:24,597 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:05:24,597 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:05:24,598 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:05:24,599 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:05:24,599 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:05:24,600 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:05:24,601 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:05:24,601 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 08:05:24,602 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:05:24,602 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:05:24,603 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:05:24,604 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:05:24,604 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:05:24,605 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:05:24,605 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:05:24,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:05:24,607 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:05:24,607 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:05:24,608 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:05:24,608 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:05:24,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:05:24,609 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:05:24,610 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:05:24,610 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:05:24,611 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:05:24,611 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:05:24,614 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_095851c2-4f5d-4535-a353-4b422a736284/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_095851c2-4f5d-4535-a353-4b422a736284/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dad265ed8a17f32bb0a174302dfe188f9a15f60b81cc9c28a67851ab05270da2 [2023-11-19 08:05:24,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:05:24,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:05:24,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:05:24,942 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:05:24,943 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:05:24,944 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_095851c2-4f5d-4535-a353-4b422a736284/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i [2023-11-19 08:05:27,988 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:05:28,329 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:05:28,330 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_095851c2-4f5d-4535-a353-4b422a736284/sv-benchmarks/c/goblint-regression/28-race_reach_93-evilcollapse_racefree.i [2023-11-19 08:05:28,356 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_095851c2-4f5d-4535-a353-4b422a736284/bin/uautomizer-verify-uCwYo4JHxu/data/d8ff7e79c/8f637109f2fb409cb3fcfb56fa58984a/FLAG27345252e [2023-11-19 08:05:28,370 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_095851c2-4f5d-4535-a353-4b422a736284/bin/uautomizer-verify-uCwYo4JHxu/data/d8ff7e79c/8f637109f2fb409cb3fcfb56fa58984a [2023-11-19 08:05:28,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:05:28,375 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:05:28,376 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:05:28,377 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:05:28,382 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:05:28,383 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:28" (1/1) ... [2023-11-19 08:05:28,384 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64f6948c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:28, skipping insertion in model container [2023-11-19 08:05:28,384 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:28" (1/1) ... [2023-11-19 08:05:28,469 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:05:29,010 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 08:05:29,010 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 08:05:29,011 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 08:05:29,012 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 08:05:29,059 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:05:29,093 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:05:29,153 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 08:05:29,154 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 08:05:29,155 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 08:05:29,156 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 08:05:29,189 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:05:29,311 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:05:29,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:29 WrapperNode [2023-11-19 08:05:29,311 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:05:29,313 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:05:29,313 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:05:29,313 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:05:29,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:29" (1/1) ... [2023-11-19 08:05:29,352 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:29" (1/1) ... [2023-11-19 08:05:29,396 INFO L138 Inliner]: procedures = 279, calls = 52, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 250 [2023-11-19 08:05:29,397 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:05:29,397 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:05:29,398 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:05:29,398 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:05:29,408 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:29" (1/1) ... [2023-11-19 08:05:29,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:29" (1/1) ... [2023-11-19 08:05:29,415 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:29" (1/1) ... [2023-11-19 08:05:29,415 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:29" (1/1) ... [2023-11-19 08:05:29,431 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:29" (1/1) ... [2023-11-19 08:05:29,437 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:29" (1/1) ... [2023-11-19 08:05:29,443 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:29" (1/1) ... [2023-11-19 08:05:29,445 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:29" (1/1) ... [2023-11-19 08:05:29,451 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:05:29,452 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:05:29,452 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:05:29,453 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:05:29,454 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:29" (1/1) ... [2023-11-19 08:05:29,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:05:29,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_095851c2-4f5d-4535-a353-4b422a736284/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:29,491 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_095851c2-4f5d-4535-a353-4b422a736284/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:29,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_095851c2-4f5d-4535-a353-4b422a736284/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:05:29,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:05:29,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 08:05:29,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:05:29,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 08:05:29,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 08:05:29,533 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 08:05:29,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 08:05:29,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:05:29,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 08:05:29,533 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-19 08:05:29,534 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-19 08:05:29,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:05:29,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:05:29,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:05:29,536 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 08:05:29,709 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:05:29,711 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:05:30,179 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:05:30,196 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:05:30,196 INFO L302 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-19 08:05:30,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:30 BoogieIcfgContainer [2023-11-19 08:05:30,204 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:05:30,207 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:05:30,208 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:05:30,211 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:05:30,212 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:05:28" (1/3) ... [2023-11-19 08:05:30,213 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@410d80bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:05:30, skipping insertion in model container [2023-11-19 08:05:30,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:29" (2/3) ... [2023-11-19 08:05:30,213 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@410d80bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:05:30, skipping insertion in model container [2023-11-19 08:05:30,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:30" (3/3) ... [2023-11-19 08:05:30,215 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_93-evilcollapse_racefree.i [2023-11-19 08:05:30,225 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 08:05:30,236 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:05:30,237 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-11-19 08:05:30,237 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 08:05:30,384 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-19 08:05:30,428 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 272 places, 297 transitions, 601 flow [2023-11-19 08:05:30,542 INFO L124 PetriNetUnfolderBase]: 30/316 cut-off events. [2023-11-19 08:05:30,542 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-19 08:05:30,550 INFO L83 FinitePrefix]: Finished finitePrefix Result has 321 conditions, 316 events. 30/316 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 797 event pairs, 0 based on Foata normal form. 0/267 useless extension candidates. Maximal degree in co-relation 170. Up to 4 conditions per place. [2023-11-19 08:05:30,551 INFO L82 GeneralOperation]: Start removeDead. Operand has 272 places, 297 transitions, 601 flow [2023-11-19 08:05:30,563 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 270 places, 294 transitions, 595 flow [2023-11-19 08:05:30,572 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 08:05:30,589 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 270 places, 294 transitions, 595 flow [2023-11-19 08:05:30,595 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 270 places, 294 transitions, 595 flow [2023-11-19 08:05:30,595 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 270 places, 294 transitions, 595 flow [2023-11-19 08:05:30,710 INFO L124 PetriNetUnfolderBase]: 29/313 cut-off events. [2023-11-19 08:05:30,710 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-19 08:05:30,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 318 conditions, 313 events. 29/313 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 781 event pairs, 0 based on Foata normal form. 0/265 useless extension candidates. Maximal degree in co-relation 170. Up to 4 conditions per place. [2023-11-19 08:05:30,724 INFO L119 LiptonReduction]: Number of co-enabled transitions 6206 [2023-11-19 08:05:58,796 WARN L293 SmtUtils]: Spent 12.61s on a formula simplification. DAG size of input: 167 DAG size of output: 165 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-19 08:06:15,046 WARN L293 SmtUtils]: Spent 14.30s on a formula simplification. DAG size of input: 167 DAG size of output: 165 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)