./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 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_ba31eab0-49f6-4b0e-bd19-216816ab5a00/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba31eab0-49f6-4b0e-bd19-216816ab5a00/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_ba31eab0-49f6-4b0e-bd19-216816ab5a00/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba31eab0-49f6-4b0e-bd19-216816ab5a00/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.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_ba31eab0-49f6-4b0e-bd19-216816ab5a00/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_ba31eab0-49f6-4b0e-bd19-216816ab5a00/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 ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:48:53,672 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:48:53,797 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba31eab0-49f6-4b0e-bd19-216816ab5a00/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-19 07:48:53,804 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:48:53,805 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:48:53,843 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:48:53,845 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:48:53,846 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:48:53,847 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:48:53,852 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:48:53,853 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:48:53,853 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:48:53,854 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:48:53,856 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:48:53,856 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:48:53,856 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:48:53,857 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:48:53,857 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:48:53,858 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:48:53,858 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:48:53,858 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:48:53,859 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:48:53,860 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 07:48:53,860 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:48:53,860 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:48:53,861 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:48:53,861 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:48:53,862 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:48:53,862 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:48:53,863 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:48:53,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:48:53,865 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:48:53,865 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:48:53,865 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:48:53,865 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:48:53,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:48:53,866 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:48:53,866 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:48:53,866 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:48:53,866 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:48:53,867 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:48:53,867 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_ba31eab0-49f6-4b0e-bd19-216816ab5a00/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba31eab0-49f6-4b0e-bd19-216816ab5a00/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac583c9331a2ad916f4c22969f16915d9226d22c75c23a992e6ef02ec672d4b3 [2023-11-19 07:48:54,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:48:54,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:48:54,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:48:54,229 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:48:54,230 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:48:54,232 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba31eab0-49f6-4b0e-bd19-216816ab5a00/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2023-11-19 07:48:57,364 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:48:57,671 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:48:57,672 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba31eab0-49f6-4b0e-bd19-216816ab5a00/sv-benchmarks/c/goblint-regression/28-race_reach_91-arrayloop2_racefree.i [2023-11-19 07:48:57,715 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba31eab0-49f6-4b0e-bd19-216816ab5a00/bin/uautomizer-verify-uCwYo4JHxu/data/7105c18d5/f6a97722d1334891a9fc4649519de4f2/FLAGbf7c697be [2023-11-19 07:48:57,734 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba31eab0-49f6-4b0e-bd19-216816ab5a00/bin/uautomizer-verify-uCwYo4JHxu/data/7105c18d5/f6a97722d1334891a9fc4649519de4f2 [2023-11-19 07:48:57,737 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:48:57,739 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:48:57,740 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:48:57,741 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:48:57,747 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:48:57,748 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:48:57" (1/1) ... [2023-11-19 07:48:57,749 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ac2b14f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:57, skipping insertion in model container [2023-11-19 07:48:57,749 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:48:57" (1/1) ... [2023-11-19 07:48:57,840 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:48:58,384 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 07:48:58,385 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 07:48:58,386 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 07:48:58,388 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 07:48:58,425 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:48:58,448 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:48:58,490 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 07:48:58,491 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 07:48:58,492 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 07:48:58,496 WARN L1588 CHandler]: Possible shadowing of function new [2023-11-19 07:48:58,510 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:48:58,626 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:48:58,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:58 WrapperNode [2023-11-19 07:48:58,626 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:48:58,628 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:48:58,628 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:48:58,628 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:48:58,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:58" (1/1) ... [2023-11-19 07:48:58,657 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:58" (1/1) ... [2023-11-19 07:48:58,691 INFO L138 Inliner]: procedures = 277, calls = 46, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 206 [2023-11-19 07:48:58,692 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:48:58,693 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:48:58,693 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:48:58,693 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:48:58,704 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:58" (1/1) ... [2023-11-19 07:48:58,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:58" (1/1) ... [2023-11-19 07:48:58,710 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:58" (1/1) ... [2023-11-19 07:48:58,710 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:58" (1/1) ... [2023-11-19 07:48:58,723 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:58" (1/1) ... [2023-11-19 07:48:58,728 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:58" (1/1) ... [2023-11-19 07:48:58,731 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:58" (1/1) ... [2023-11-19 07:48:58,734 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:58" (1/1) ... [2023-11-19 07:48:58,741 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:48:58,742 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:48:58,742 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:48:58,743 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:48:58,744 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:58" (1/1) ... [2023-11-19 07:48:58,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:48:58,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba31eab0-49f6-4b0e-bd19-216816ab5a00/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:48:58,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba31eab0-49f6-4b0e-bd19-216816ab5a00/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:48:58,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba31eab0-49f6-4b0e-bd19-216816ab5a00/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:48:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:48:58,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:48:58,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:48:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:48:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:48:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 07:48:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:48:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:48:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:48:58,862 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-19 07:48:58,862 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-19 07:48:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:48:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:48:58,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:48:58,865 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 07:48:59,108 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:48:59,111 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:48:59,604 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:48:59,624 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:48:59,625 INFO L302 CfgBuilder]: Removed 16 assume(true) statements. [2023-11-19 07:48:59,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:59 BoogieIcfgContainer [2023-11-19 07:48:59,630 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:48:59,640 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:48:59,640 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:48:59,644 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:48:59,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:48:57" (1/3) ... [2023-11-19 07:48:59,647 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bbfa8a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:48:59, skipping insertion in model container [2023-11-19 07:48:59,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:58" (2/3) ... [2023-11-19 07:48:59,649 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bbfa8a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:48:59, skipping insertion in model container [2023-11-19 07:48:59,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:59" (3/3) ... [2023-11-19 07:48:59,652 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_91-arrayloop2_racefree.i [2023-11-19 07:48:59,663 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 07:48:59,676 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:48:59,676 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-11-19 07:48:59,676 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:48:59,802 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-19 07:48:59,850 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 214 places, 236 transitions, 479 flow [2023-11-19 07:48:59,971 INFO L124 PetriNetUnfolderBase]: 27/255 cut-off events. [2023-11-19 07:48:59,971 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-19 07:48:59,983 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. [2023-11-19 07:48:59,983 INFO L82 GeneralOperation]: Start removeDead. Operand has 214 places, 236 transitions, 479 flow [2023-11-19 07:48:59,992 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 212 places, 233 transitions, 473 flow [2023-11-19 07:48:59,997 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:49:00,008 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 212 places, 233 transitions, 473 flow [2023-11-19 07:49:00,011 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 212 places, 233 transitions, 473 flow [2023-11-19 07:49:00,011 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 212 places, 233 transitions, 473 flow [2023-11-19 07:49:00,082 INFO L124 PetriNetUnfolderBase]: 26/252 cut-off events. [2023-11-19 07:49:00,082 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-19 07:49:00,090 INFO L83 FinitePrefix]: Finished finitePrefix Result has 257 conditions, 252 events. 26/252 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 739 event pairs, 0 based on Foata normal form. 0/207 useless extension candidates. Maximal degree in co-relation 135. Up to 4 conditions per place. [2023-11-19 07:49:00,097 INFO L119 LiptonReduction]: Number of co-enabled transitions 6206 [2023-11-19 07:49:30,610 WARN L293 SmtUtils]: Spent 16.33s on a formula simplification. DAG size of input: 154 DAG size of output: 153 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-19 07:49:46,160 WARN L293 SmtUtils]: Spent 11.68s on a formula simplification. DAG size of input: 156 DAG size of output: 154 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-19 07:49:53,518 WARN L293 SmtUtils]: Spent 7.35s on a formula simplification that was a NOOP. DAG size: 140 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-19 07:49:59,678 WARN L293 SmtUtils]: Spent 5.95s on a formula simplification. DAG size of input: 153 DAG size of output: 151 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)