./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d00a2e5-ee91-43e6-8edb-c3fda6d7a4b7/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d00a2e5-ee91-43e6-8edb-c3fda6d7a4b7/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_9d00a2e5-ee91-43e6-8edb-c3fda6d7a4b7/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d00a2e5-ee91-43e6-8edb-c3fda6d7a4b7/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d00a2e5-ee91-43e6-8edb-c3fda6d7a4b7/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d00a2e5-ee91-43e6-8edb-c3fda6d7a4b7/bin/utaipan-verify-NcY6lQBIFX --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 01:00:07,799 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 01:00:07,910 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d00a2e5-ee91-43e6-8edb-c3fda6d7a4b7/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-12 01:00:07,918 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 01:00:07,918 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 01:00:07,969 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 01:00:07,970 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 01:00:07,970 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 01:00:07,971 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 01:00:07,977 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 01:00:07,977 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 01:00:07,978 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 01:00:07,979 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 01:00:07,981 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 01:00:07,981 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 01:00:07,982 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 01:00:07,982 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 01:00:07,983 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 01:00:07,984 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 01:00:07,984 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 01:00:07,985 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 01:00:07,985 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 01:00:07,987 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 01:00:07,987 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 01:00:07,988 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 01:00:07,988 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 01:00:07,989 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 01:00:07,989 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 01:00:07,990 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 01:00:07,990 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 01:00:07,991 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 01:00:07,992 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 01:00:07,992 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 01:00:07,993 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 01:00:07,993 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 01:00:07,993 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 01:00:07,994 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 01:00:07,994 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 01:00:07,994 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:00:07,995 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 01:00:07,995 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 01:00:07,996 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 01:00:07,996 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 01:00:07,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 01:00:07,997 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 01:00:07,997 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 01:00:07,998 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 01:00:07,998 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_9d00a2e5-ee91-43e6-8edb-c3fda6d7a4b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d00a2e5-ee91-43e6-8edb-c3fda6d7a4b7/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 [2023-11-12 01:00:08,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 01:00:08,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 01:00:08,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 01:00:08,384 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 01:00:08,385 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 01:00:08,386 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d00a2e5-ee91-43e6-8edb-c3fda6d7a4b7/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2023-11-12 01:00:11,485 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 01:00:11,800 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 01:00:11,801 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d00a2e5-ee91-43e6-8edb-c3fda6d7a4b7/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2023-11-12 01:00:11,832 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d00a2e5-ee91-43e6-8edb-c3fda6d7a4b7/bin/utaipan-verify-NcY6lQBIFX/data/ee5d7bf1e/2b020afb7d784bd8bd48bad93c09df84/FLAG8baeae569 [2023-11-12 01:00:11,874 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d00a2e5-ee91-43e6-8edb-c3fda6d7a4b7/bin/utaipan-verify-NcY6lQBIFX/data/ee5d7bf1e/2b020afb7d784bd8bd48bad93c09df84 [2023-11-12 01:00:11,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 01:00:11,883 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 01:00:11,887 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 01:00:11,887 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 01:00:11,893 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 01:00:11,894 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:00:11" (1/1) ... [2023-11-12 01:00:11,895 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ff2809a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:11, skipping insertion in model container [2023-11-12 01:00:11,895 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:00:11" (1/1) ... [2023-11-12 01:00:11,985 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:00:12,482 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 01:00:12,492 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 01:00:12,492 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 01:00:12,493 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 01:00:12,526 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:00:12,548 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 01:00:12,619 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 01:00:12,619 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 01:00:12,620 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 01:00:12,620 WARN L1577 CHandler]: Possible shadowing of function new [2023-11-12 01:00:12,634 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:00:12,713 INFO L206 MainTranslator]: Completed translation [2023-11-12 01:00:12,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:12 WrapperNode [2023-11-12 01:00:12,714 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 01:00:12,715 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 01:00:12,715 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 01:00:12,715 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 01:00:12,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:12" (1/1) ... [2023-11-12 01:00:12,744 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:12" (1/1) ... [2023-11-12 01:00:12,801 INFO L138 Inliner]: procedures = 277, calls = 46, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 206 [2023-11-12 01:00:12,801 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 01:00:12,802 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 01:00:12,802 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 01:00:12,802 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 01:00:12,813 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:12" (1/1) ... [2023-11-12 01:00:12,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:12" (1/1) ... [2023-11-12 01:00:12,819 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:12" (1/1) ... [2023-11-12 01:00:12,820 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:12" (1/1) ... [2023-11-12 01:00:12,832 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:12" (1/1) ... [2023-11-12 01:00:12,855 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:12" (1/1) ... [2023-11-12 01:00:12,858 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:12" (1/1) ... [2023-11-12 01:00:12,860 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:12" (1/1) ... [2023-11-12 01:00:12,865 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 01:00:12,866 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 01:00:12,867 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 01:00:12,867 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 01:00:12,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:12" (1/1) ... [2023-11-12 01:00:12,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:00:12,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d00a2e5-ee91-43e6-8edb-c3fda6d7a4b7/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:00:12,907 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d00a2e5-ee91-43e6-8edb-c3fda6d7a4b7/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 01:00:12,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d00a2e5-ee91-43e6-8edb-c3fda6d7a4b7/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 01:00:12,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 01:00:12,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 01:00:12,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 01:00:12,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 01:00:12,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 01:00:12,959 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-12 01:00:12,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 01:00:12,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 01:00:12,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 01:00:12,960 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-12 01:00:12,961 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-12 01:00:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 01:00:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 01:00:12,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 01:00:12,964 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 01:00:13,206 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 01:00:13,209 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 01:00:13,607 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 01:00:13,616 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 01:00:13,617 INFO L302 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-12 01:00:13,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:00:13 BoogieIcfgContainer [2023-11-12 01:00:13,620 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 01:00:13,623 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 01:00:13,623 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 01:00:13,627 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 01:00:13,627 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:00:11" (1/3) ... [2023-11-12 01:00:13,628 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c684705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:00:13, skipping insertion in model container [2023-11-12 01:00:13,628 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:12" (2/3) ... [2023-11-12 01:00:13,629 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c684705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:00:13, skipping insertion in model container [2023-11-12 01:00:13,629 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:00:13" (3/3) ... [2023-11-12 01:00:13,630 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_91-arrayloop2_racefree.i [2023-11-12 01:00:13,640 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 01:00:13,674 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 01:00:13,675 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-11-12 01:00:13,675 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 01:00:13,860 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-12 01:00:13,898 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-12 01:00:13,913 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 214 places, 236 transitions, 479 flow [2023-11-12 01:00:13,916 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 214 places, 236 transitions, 479 flow [2023-11-12 01:00:13,918 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 214 places, 236 transitions, 479 flow [2023-11-12 01:00:14,008 INFO L124 PetriNetUnfolderBase]: 27/255 cut-off events. [2023-11-12 01:00:14,008 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-12 01:00:14,018 INFO L83 FinitePrefix]: Finished finitePrefix Result has 260 conditions, 255 events. 27/255 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 755 event pairs, 0 based on Foata normal form. 0/209 useless extension candidates. Maximal degree in co-relation 135. Up to 4 conditions per place. [2023-11-12 01:00:14,025 INFO L119 LiptonReduction]: Number of co-enabled transitions 6206 [2023-11-12 01:00:44,695 WARN L293 SmtUtils]: Spent 13.02s on a formula simplification. DAG size of input: 166 DAG size of output: 165 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-12 01:01:07,841 WARN L293 SmtUtils]: Spent 19.97s on a formula simplification. DAG size of input: 170 DAG size of output: 168 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)