./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/reorder_5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version cf1a7837 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_4188d0fc-012d-4c02-80ad-a652417ca157/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4188d0fc-012d-4c02-80ad-a652417ca157/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4188d0fc-012d-4c02-80ad-a652417ca157/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4188d0fc-012d-4c02-80ad-a652417ca157/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/reorder_5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4188d0fc-012d-4c02-80ad-a652417ca157/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4188d0fc-012d-4c02-80ad-a652417ca157/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 898f8e4708144102795278f9f1417651c36b4d3f17c0ba18e240a325ff6101b3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:10:36,050 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:10:36,169 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4188d0fc-012d-4c02-80ad-a652417ca157/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-12 00:10:36,178 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:10:36,178 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:10:36,223 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:10:36,224 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:10:36,224 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:10:36,225 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:10:36,230 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:10:36,231 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:10:36,232 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:10:36,232 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:10:36,234 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:10:36,234 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:10:36,235 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:10:36,235 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:10:36,235 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:10:36,236 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:10:36,236 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:10:36,237 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:10:36,237 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:10:36,238 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:10:36,239 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:10:36,239 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:10:36,239 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:10:36,240 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:10:36,240 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:10:36,240 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:10:36,241 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:10:36,242 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:10:36,249 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-12 00:10:36,250 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:10:36,250 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:10:36,250 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:10:36,250 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:10:36,250 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:10:36,251 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:10:36,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:10:36,251 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:10:36,251 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:10:36,252 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:10:36,252 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:10:36,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:10:36,253 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:10:36,253 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:10:36,253 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:10:36,253 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_4188d0fc-012d-4c02-80ad-a652417ca157/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4188d0fc-012d-4c02-80ad-a652417ca157/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 898f8e4708144102795278f9f1417651c36b4d3f17c0ba18e240a325ff6101b3 [2023-11-12 00:10:36,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:10:36,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:10:36,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:10:36,589 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:10:36,592 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:10:36,593 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4188d0fc-012d-4c02-80ad-a652417ca157/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/pthread/reorder_5.i [2023-11-12 00:10:39,533 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:10:39,934 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:10:39,935 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4188d0fc-012d-4c02-80ad-a652417ca157/sv-benchmarks/c/pthread/reorder_5.i [2023-11-12 00:10:39,957 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4188d0fc-012d-4c02-80ad-a652417ca157/bin/utaipan-verify-NcY6lQBIFX/data/45d2518b0/632c4d9f888047279b900a9900f2beb3/FLAG1e41b44c3 [2023-11-12 00:10:39,980 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4188d0fc-012d-4c02-80ad-a652417ca157/bin/utaipan-verify-NcY6lQBIFX/data/45d2518b0/632c4d9f888047279b900a9900f2beb3 [2023-11-12 00:10:39,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:10:39,988 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:10:39,991 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:10:39,991 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:10:39,998 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:10:40,000 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:10:39" (1/1) ... [2023-11-12 00:10:40,002 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55c178c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:40, skipping insertion in model container [2023-11-12 00:10:40,002 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:10:39" (1/1) ... [2023-11-12 00:10:40,091 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:10:40,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:10:40,935 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:10:41,007 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:10:41,109 WARN L672 CHandler]: The function fprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:10:41,116 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:10:41,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:41 WrapperNode [2023-11-12 00:10:41,116 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:10:41,117 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:10:41,118 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:10:41,118 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:10:41,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:41" (1/1) ... [2023-11-12 00:10:41,167 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:41" (1/1) ... [2023-11-12 00:10:41,222 INFO L138 Inliner]: procedures = 371, calls = 48, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 286 [2023-11-12 00:10:41,223 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:10:41,223 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:10:41,224 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:10:41,224 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:10:41,259 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:41" (1/1) ... [2023-11-12 00:10:41,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:41" (1/1) ... [2023-11-12 00:10:41,266 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:41" (1/1) ... [2023-11-12 00:10:41,267 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:41" (1/1) ... [2023-11-12 00:10:41,327 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:41" (1/1) ... [2023-11-12 00:10:41,332 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:41" (1/1) ... [2023-11-12 00:10:41,336 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:41" (1/1) ... [2023-11-12 00:10:41,350 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:41" (1/1) ... [2023-11-12 00:10:41,360 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:10:41,361 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:10:41,361 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:10:41,362 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:10:41,363 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:41" (1/1) ... [2023-11-12 00:10:41,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:10:41,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4188d0fc-012d-4c02-80ad-a652417ca157/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:10:41,398 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4188d0fc-012d-4c02-80ad-a652417ca157/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:10:41,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4188d0fc-012d-4c02-80ad-a652417ca157/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:10:41,451 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2023-11-12 00:10:41,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:10:41,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:10:41,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:10:41,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:10:41,452 INFO L130 BoogieDeclarations]: Found specification of procedure setThread [2023-11-12 00:10:41,455 INFO L138 BoogieDeclarations]: Found implementation of procedure setThread [2023-11-12 00:10:41,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:10:41,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:10:41,456 INFO L130 BoogieDeclarations]: Found specification of procedure checkThread [2023-11-12 00:10:41,456 INFO L138 BoogieDeclarations]: Found implementation of procedure checkThread [2023-11-12 00:10:41,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:10:41,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:10:41,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:10:41,458 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:10:41,683 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:10:41,685 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:10:42,301 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:10:42,315 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:10:42,315 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-12 00:10:42,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:10:42 BoogieIcfgContainer [2023-11-12 00:10:42,318 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:10:42,320 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:10:42,320 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:10:42,324 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:10:42,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:10:39" (1/3) ... [2023-11-12 00:10:42,325 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@764386af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:10:42, skipping insertion in model container [2023-11-12 00:10:42,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:10:41" (2/3) ... [2023-11-12 00:10:42,326 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@764386af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:10:42, skipping insertion in model container [2023-11-12 00:10:42,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:10:42" (3/3) ... [2023-11-12 00:10:42,327 INFO L112 eAbstractionObserver]: Analyzing ICFG reorder_5.i [2023-11-12 00:10:42,337 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 00:10:42,348 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:10:42,349 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2023-11-12 00:10:42,349 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 00:10:42,458 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-12 00:10:42,499 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-12 00:10:42,515 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 320 places, 335 transitions, 690 flow [2023-11-12 00:10:42,519 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 320 places, 335 transitions, 690 flow [2023-11-12 00:10:42,521 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 320 places, 335 transitions, 690 flow [2023-11-12 00:10:42,812 INFO L124 PetriNetUnfolderBase]: 43/669 cut-off events. [2023-11-12 00:10:42,813 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-12 00:10:42,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 686 conditions, 669 events. 43/669 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 2924 event pairs, 0 based on Foata normal form. 0/568 useless extension candidates. Maximal degree in co-relation 355. Up to 8 conditions per place. [2023-11-12 00:10:42,850 INFO L119 LiptonReduction]: Number of co-enabled transitions 15564