./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_83-list2_racing1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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_7e7eeac4-ed18-4fee-ab78-d424bf755e7b/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7eeac4-ed18-4fee-ab78-d424bf755e7b/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7eeac4-ed18-4fee-ab78-d424bf755e7b/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7eeac4-ed18-4fee-ab78-d424bf755e7b/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_83-list2_racing1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7eeac4-ed18-4fee-ab78-d424bf755e7b/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7eeac4-ed18-4fee-ab78-d424bf755e7b/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 23c4aefdda14d4315577cd0030d174ab477745d4b270d2de822290a016a0ff8d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:07:49,118 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:07:49,251 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7eeac4-ed18-4fee-ab78-d424bf755e7b/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2023-11-19 05:07:49,256 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:07:49,257 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:07:49,305 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:07:49,306 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:07:49,307 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:07:49,308 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:07:49,314 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:07:49,315 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:07:49,316 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:07:49,317 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:07:49,319 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:07:49,319 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:07:49,320 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:07:49,321 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:07:49,321 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:07:49,322 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:07:49,322 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:07:49,323 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:07:49,324 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:07:49,324 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 05:07:49,325 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 05:07:49,326 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:07:49,327 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:07:49,327 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:07:49,328 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:07:49,328 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:07:49,329 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-19 05:07:49,330 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-19 05:07:49,331 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-19 05:07:49,331 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:07:49,332 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:07:49,332 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:07:49,332 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:07:49,333 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:07:49,333 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:07:49,333 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:07:49,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:07:49,334 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:07:49,335 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:07:49,335 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:07:49,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:07:49,337 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:07:49,337 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:07:49,338 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_7e7eeac4-ed18-4fee-ab78-d424bf755e7b/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7eeac4-ed18-4fee-ab78-d424bf755e7b/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 23c4aefdda14d4315577cd0030d174ab477745d4b270d2de822290a016a0ff8d [2023-11-19 05:07:49,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:07:49,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:07:49,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:07:49,732 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:07:49,733 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:07:49,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7eeac4-ed18-4fee-ab78-d424bf755e7b/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/goblint-regression/28-race_reach_83-list2_racing1.i [2023-11-19 05:07:52,911 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:07:53,282 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:07:53,295 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7eeac4-ed18-4fee-ab78-d424bf755e7b/sv-benchmarks/c/goblint-regression/28-race_reach_83-list2_racing1.i [2023-11-19 05:07:53,324 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7eeac4-ed18-4fee-ab78-d424bf755e7b/bin/utaipan-verify-t7M7D8N6sZ/data/53ce6013f/edf68430e05d466dafcff48c483ab674/FLAG5a3752d09 [2023-11-19 05:07:53,338 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7eeac4-ed18-4fee-ab78-d424bf755e7b/bin/utaipan-verify-t7M7D8N6sZ/data/53ce6013f/edf68430e05d466dafcff48c483ab674 [2023-11-19 05:07:53,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:07:53,342 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:07:53,344 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:07:53,344 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:07:53,353 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:07:53,354 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:07:53" (1/1) ... [2023-11-19 05:07:53,355 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b892be9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:53, skipping insertion in model container [2023-11-19 05:07:53,355 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:07:53" (1/1) ... [2023-11-19 05:07:53,424 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:07:54,134 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:07:54,166 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:07:54,278 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:07:54,384 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:07:54,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:54 WrapperNode [2023-11-19 05:07:54,384 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:07:54,385 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:07:54,385 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:07:54,386 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:07:54,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:54" (1/1) ... [2023-11-19 05:07:54,424 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:54" (1/1) ... [2023-11-19 05:07:54,465 INFO L138 Inliner]: procedures = 279, calls = 87, calls flagged for inlining = 11, calls inlined = 12, statements flattened = 355 [2023-11-19 05:07:54,466 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:07:54,466 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:07:54,466 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:07:54,467 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:07:54,477 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:54" (1/1) ... [2023-11-19 05:07:54,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:54" (1/1) ... [2023-11-19 05:07:54,488 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:54" (1/1) ... [2023-11-19 05:07:54,489 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:54" (1/1) ... [2023-11-19 05:07:54,505 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:54" (1/1) ... [2023-11-19 05:07:54,513 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:54" (1/1) ... [2023-11-19 05:07:54,517 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:54" (1/1) ... [2023-11-19 05:07:54,520 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:54" (1/1) ... [2023-11-19 05:07:54,526 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:07:54,527 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:07:54,527 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:07:54,527 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:07:54,528 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:54" (1/1) ... [2023-11-19 05:07:54,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:07:54,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7eeac4-ed18-4fee-ab78-d424bf755e7b/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:07:54,565 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7eeac4-ed18-4fee-ab78-d424bf755e7b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:07:54,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e7eeac4-ed18-4fee-ab78-d424bf755e7b/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:07:54,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:07:54,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:07:54,611 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2023-11-19 05:07:54,611 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2023-11-19 05:07:54,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:07:54,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:07:54,612 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2023-11-19 05:07:54,612 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2023-11-19 05:07:54,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:07:54,612 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 05:07:54,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:07:54,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:07:54,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:07:54,613 INFO L130 BoogieDeclarations]: Found specification of procedure t3_fun [2023-11-19 05:07:54,613 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_fun [2023-11-19 05:07:54,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:07:54,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:07:54,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:07:54,615 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 05:07:54,803 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:07:54,806 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:07:55,635 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:07:55,655 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:07:55,656 INFO L302 CfgBuilder]: Removed 28 assume(true) statements. [2023-11-19 05:07:55,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:07:55 BoogieIcfgContainer [2023-11-19 05:07:55,662 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:07:55,665 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:07:55,665 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:07:55,668 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:07:55,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:07:53" (1/3) ... [2023-11-19 05:07:55,669 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@662a976 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:07:55, skipping insertion in model container [2023-11-19 05:07:55,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:54" (2/3) ... [2023-11-19 05:07:55,670 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@662a976 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:07:55, skipping insertion in model container [2023-11-19 05:07:55,670 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:07:55" (3/3) ... [2023-11-19 05:07:55,671 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_83-list2_racing1.i [2023-11-19 05:07:55,691 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:07:55,692 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 61 error locations. [2023-11-19 05:07:55,692 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 05:07:55,870 INFO L144 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2023-11-19 05:07:55,917 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-19 05:07:55,939 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 402 places, 442 transitions, 923 flow [2023-11-19 05:07:55,954 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 402 places, 442 transitions, 923 flow [2023-11-19 05:07:55,956 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 402 places, 442 transitions, 923 flow [2023-11-19 05:07:56,546 INFO L124 PetriNetUnfolderBase]: 170/1379 cut-off events. [2023-11-19 05:07:56,546 INFO L125 PetriNetUnfolderBase]: For 36/36 co-relation queries the response was YES. [2023-11-19 05:07:56,586 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1433 conditions, 1379 events. 170/1379 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 9680 event pairs, 0 based on Foata normal form. 0/1013 useless extension candidates. Maximal degree in co-relation 706. Up to 16 conditions per place. [2023-11-19 05:07:56,678 INFO L119 LiptonReduction]: Number of co-enabled transitions 86614