./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.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_6b336a53-c51f-4269-95ca-42ba95377889/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b336a53-c51f-4269-95ca-42ba95377889/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b336a53-c51f-4269-95ca-42ba95377889/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b336a53-c51f-4269-95ca-42ba95377889/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b336a53-c51f-4269-95ca-42ba95377889/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b336a53-c51f-4269-95ca-42ba95377889/bin/uautomizer-verify-uTZkv6EMXl --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e4d7ddac57159b9ffdb625c6e71ce7282574c20e8d076ceee5f26bffd815ae46 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:26:35,021 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:26:35,148 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b336a53-c51f-4269-95ca-42ba95377889/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-12 02:26:35,155 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:26:35,156 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:26:35,194 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:26:35,195 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:26:35,195 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:26:35,196 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:26:35,201 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:26:35,202 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:26:35,203 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:26:35,203 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:26:35,205 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:26:35,205 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:26:35,206 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:26:35,206 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:26:35,206 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:26:35,207 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:26:35,207 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:26:35,207 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:26:35,208 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:26:35,208 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-12 02:26:35,209 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:26:35,209 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:26:35,210 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:26:35,210 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:26:35,211 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:26:35,211 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:26:35,212 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:26:35,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:26:35,213 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:26:35,214 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:26:35,214 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:26:35,214 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:26:35,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:26:35,215 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:26:35,215 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:26:35,215 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:26:35,215 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:26:35,216 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:26:35,216 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_6b336a53-c51f-4269-95ca-42ba95377889/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b336a53-c51f-4269-95ca-42ba95377889/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4d7ddac57159b9ffdb625c6e71ce7282574c20e8d076ceee5f26bffd815ae46 [2023-11-12 02:26:35,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:26:35,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:26:35,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:26:35,576 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:26:35,577 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:26:35,578 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b336a53-c51f-4269-95ca-42ba95377889/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i [2023-11-12 02:26:38,981 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:26:39,403 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:26:39,404 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b336a53-c51f-4269-95ca-42ba95377889/sv-benchmarks/c/goblint-regression/09-regions_06-ptra_nr.i [2023-11-12 02:26:39,433 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b336a53-c51f-4269-95ca-42ba95377889/bin/uautomizer-verify-uTZkv6EMXl/data/dbe238d54/2c29feaff2a643d68ffcc13c7c213516/FLAG145171c57 [2023-11-12 02:26:39,454 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b336a53-c51f-4269-95ca-42ba95377889/bin/uautomizer-verify-uTZkv6EMXl/data/dbe238d54/2c29feaff2a643d68ffcc13c7c213516 [2023-11-12 02:26:39,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:26:39,462 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:26:39,466 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:26:39,466 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:26:39,471 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:26:39,472 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:26:39" (1/1) ... [2023-11-12 02:26:39,474 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a1d8c3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:39, skipping insertion in model container [2023-11-12 02:26:39,474 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:26:39" (1/1) ... [2023-11-12 02:26:39,547 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:26:40,222 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:26:40,236 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:26:40,304 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:26:40,404 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:26:40,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:40 WrapperNode [2023-11-12 02:26:40,405 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:26:40,406 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:26:40,406 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:26:40,407 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:26:40,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:40" (1/1) ... [2023-11-12 02:26:40,458 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:40" (1/1) ... [2023-11-12 02:26:40,525 INFO L138 Inliner]: procedures = 368, calls = 31, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 208 [2023-11-12 02:26:40,526 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:26:40,527 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:26:40,527 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:26:40,527 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:26:40,539 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:40" (1/1) ... [2023-11-12 02:26:40,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:40" (1/1) ... [2023-11-12 02:26:40,547 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:40" (1/1) ... [2023-11-12 02:26:40,548 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:40" (1/1) ... [2023-11-12 02:26:40,573 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:40" (1/1) ... [2023-11-12 02:26:40,575 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:40" (1/1) ... [2023-11-12 02:26:40,579 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:40" (1/1) ... [2023-11-12 02:26:40,582 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:40" (1/1) ... [2023-11-12 02:26:40,588 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:26:40,589 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:26:40,590 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:26:40,590 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:26:40,591 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:40" (1/1) ... [2023-11-12 02:26:40,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:26:40,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b336a53-c51f-4269-95ca-42ba95377889/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:26:40,645 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b336a53-c51f-4269-95ca-42ba95377889/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:26:40,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b336a53-c51f-4269-95ca-42ba95377889/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:26:40,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:26:40,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:26:40,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:26:40,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:26:40,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:26:40,697 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-12 02:26:40,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:26:40,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:26:40,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:26:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-12 02:26:40,698 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-12 02:26:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:26:40,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:26:40,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:26:40,701 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 02:26:40,933 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:26:40,935 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:26:41,516 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:26:41,531 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:26:41,531 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:26:41,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:26:41 BoogieIcfgContainer [2023-11-12 02:26:41,534 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:26:41,537 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:26:41,537 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:26:41,541 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:26:41,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:26:39" (1/3) ... [2023-11-12 02:26:41,542 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50c4f52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:26:41, skipping insertion in model container [2023-11-12 02:26:41,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:40" (2/3) ... [2023-11-12 02:26:41,543 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50c4f52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:26:41, skipping insertion in model container [2023-11-12 02:26:41,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:26:41" (3/3) ... [2023-11-12 02:26:41,545 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_06-ptra_nr.i [2023-11-12 02:26:41,555 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 02:26:41,567 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:26:41,568 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2023-11-12 02:26:41,568 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 02:26:41,714 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-12 02:26:41,774 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 249 places, 245 transitions, 494 flow [2023-11-12 02:26:41,905 INFO L124 PetriNetUnfolderBase]: 0/244 cut-off events. [2023-11-12 02:26:41,905 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:26:41,908 INFO L83 FinitePrefix]: Finished finitePrefix Result has 248 conditions, 244 events. 0/244 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 93 event pairs, 0 based on Foata normal form. 0/222 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-11-12 02:26:41,909 INFO L82 GeneralOperation]: Start removeDead. Operand has 249 places, 245 transitions, 494 flow [2023-11-12 02:26:41,927 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 248 places, 244 transitions, 491 flow [2023-11-12 02:26:41,931 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-12 02:26:41,950 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 248 places, 244 transitions, 491 flow [2023-11-12 02:26:41,955 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 248 places, 244 transitions, 491 flow [2023-11-12 02:26:41,956 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 248 places, 244 transitions, 491 flow [2023-11-12 02:26:42,043 INFO L124 PetriNetUnfolderBase]: 0/244 cut-off events. [2023-11-12 02:26:42,043 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:26:42,044 INFO L83 FinitePrefix]: Finished finitePrefix Result has 248 conditions, 244 events. 0/244 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 93 event pairs, 0 based on Foata normal form. 0/222 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2023-11-12 02:26:42,050 INFO L119 LiptonReduction]: Number of co-enabled transitions 4828 [2023-11-12 02:27:39,935 WARN L293 SmtUtils]: Spent 24.30s on a formula simplification that was a NOOP. DAG size: 160 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)