./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/parallel-ticket-8.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races 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_cfe55086-06ce-4e10-a00b-f6f590d4bd05/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfe55086-06ce-4e10-a00b-f6f590d4bd05/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfe55086-06ce-4e10-a00b-f6f590d4bd05/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfe55086-06ce-4e10-a00b-f6f590d4bd05/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-8.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfe55086-06ce-4e10-a00b-f6f590d4bd05/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfe55086-06ce-4e10-a00b-f6f590d4bd05/bin/utaipan-verify-t7M7D8N6sZ --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 e9184a10f76289bc351ce16b4243b6d0e46782fe8318237a8a819d2b43a92673 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:08:43,710 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:08:43,865 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfe55086-06ce-4e10-a00b-f6f590d4bd05/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-19 05:08:43,874 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:08:43,876 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:08:43,920 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:08:43,921 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:08:43,922 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:08:43,923 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:08:43,929 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:08:43,929 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:08:43,931 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:08:43,931 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:08:43,933 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:08:43,933 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:08:43,934 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:08:43,934 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:08:43,935 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:08:43,935 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:08:43,935 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:08:43,936 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:08:43,937 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:08:43,938 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:08:43,938 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:08:43,939 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:08:43,939 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:08:43,940 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:08:43,940 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:08:43,941 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:08:43,941 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:08:43,943 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:08:43,943 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 05:08:43,943 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:08:43,943 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:08:43,944 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:08:43,944 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:08:43,944 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:08:43,945 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:08:43,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:08:43,945 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:08:43,945 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:08:43,946 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:08:43,946 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:08:43,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:08:43,947 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:08:43,947 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:08:43,948 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:08:43,948 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_cfe55086-06ce-4e10-a00b-f6f590d4bd05/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfe55086-06ce-4e10-a00b-f6f590d4bd05/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9184a10f76289bc351ce16b4243b6d0e46782fe8318237a8a819d2b43a92673 [2023-11-19 05:08:44,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:08:44,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:08:44,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:08:44,360 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:08:44,361 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:08:44,363 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfe55086-06ce-4e10-a00b-f6f590d4bd05/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/weaver/parallel-ticket-8.wvr.c [2023-11-19 05:08:47,923 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:08:48,281 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:08:48,282 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfe55086-06ce-4e10-a00b-f6f590d4bd05/sv-benchmarks/c/weaver/parallel-ticket-8.wvr.c [2023-11-19 05:08:48,297 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfe55086-06ce-4e10-a00b-f6f590d4bd05/bin/utaipan-verify-t7M7D8N6sZ/data/74d3f9606/e43c5a6397ba44288f49599b87ee843d/FLAG87dd48e50 [2023-11-19 05:08:48,317 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfe55086-06ce-4e10-a00b-f6f590d4bd05/bin/utaipan-verify-t7M7D8N6sZ/data/74d3f9606/e43c5a6397ba44288f49599b87ee843d [2023-11-19 05:08:48,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:08:48,327 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:08:48,332 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:08:48,333 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:08:48,339 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:08:48,340 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:08:48" (1/1) ... [2023-11-19 05:08:48,342 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75ab2b4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:48, skipping insertion in model container [2023-11-19 05:08:48,342 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:08:48" (1/1) ... [2023-11-19 05:08:48,401 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:08:48,701 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:08:48,716 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:08:48,800 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:08:48,813 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:08:48,813 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:08:48,823 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:08:48,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:48 WrapperNode [2023-11-19 05:08:48,824 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:08:48,826 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:08:48,826 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:08:48,826 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:08:48,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:48" (1/1) ... [2023-11-19 05:08:48,859 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:48" (1/1) ... [2023-11-19 05:08:48,930 INFO L138 Inliner]: procedures = 27, calls = 131, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 761 [2023-11-19 05:08:48,930 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:08:48,931 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:08:48,932 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:08:48,932 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:08:48,957 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:48" (1/1) ... [2023-11-19 05:08:48,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:48" (1/1) ... [2023-11-19 05:08:48,973 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:48" (1/1) ... [2023-11-19 05:08:48,974 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:48" (1/1) ... [2023-11-19 05:08:49,028 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:48" (1/1) ... [2023-11-19 05:08:49,042 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:48" (1/1) ... [2023-11-19 05:08:49,055 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:48" (1/1) ... [2023-11-19 05:08:49,060 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:48" (1/1) ... [2023-11-19 05:08:49,079 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:08:49,080 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:08:49,080 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:08:49,081 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:08:49,082 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:48" (1/1) ... [2023-11-19 05:08:49,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:08:49,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfe55086-06ce-4e10-a00b-f6f590d4bd05/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:08:49,127 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfe55086-06ce-4e10-a00b-f6f590d4bd05/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:08:49,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfe55086-06ce-4e10-a00b-f6f590d4bd05/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:08:49,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:08:49,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:08:49,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:08:49,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:08:49,177 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 05:08:49,179 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 05:08:49,180 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 05:08:49,182 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 05:08:49,182 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-19 05:08:49,182 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-19 05:08:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-19 05:08:49,183 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-19 05:08:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:08:49,183 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-19 05:08:49,184 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-19 05:08:49,184 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-11-19 05:08:49,185 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-11-19 05:08:49,185 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2023-11-19 05:08:49,185 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2023-11-19 05:08:49,186 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2023-11-19 05:08:49,187 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2023-11-19 05:08:49,187 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 05:08:49,188 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 05:08:49,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:08:49,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:08:49,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:08:49,192 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 05:08:49,447 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:08:49,452 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:08:50,747 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:08:51,219 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:08:51,220 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 05:08:51,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:08:51 BoogieIcfgContainer [2023-11-19 05:08:51,235 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:08:51,239 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:08:51,239 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:08:51,243 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:08:51,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:08:48" (1/3) ... [2023-11-19 05:08:51,244 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@635a74cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:08:51, skipping insertion in model container [2023-11-19 05:08:51,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:08:48" (2/3) ... [2023-11-19 05:08:51,247 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@635a74cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:08:51, skipping insertion in model container [2023-11-19 05:08:51,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:08:51" (3/3) ... [2023-11-19 05:08:51,249 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-8.wvr.c [2023-11-19 05:08:51,264 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 05:08:51,277 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:08:51,277 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 114 error locations. [2023-11-19 05:08:51,278 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 05:08:51,520 INFO L144 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2023-11-19 05:08:51,594 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-19 05:08:51,620 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 503 places, 489 transitions, 1034 flow [2023-11-19 05:08:51,626 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 503 places, 489 transitions, 1034 flow [2023-11-19 05:08:51,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 503 places, 489 transitions, 1034 flow [2023-11-19 05:08:52,018 INFO L124 PetriNetUnfolderBase]: 11/481 cut-off events. [2023-11-19 05:08:52,019 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-11-19 05:08:52,033 INFO L83 FinitePrefix]: Finished finitePrefix Result has 514 conditions, 481 events. 11/481 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 575 event pairs, 0 based on Foata normal form. 0/356 useless extension candidates. Maximal degree in co-relation 365. Up to 2 conditions per place. [2023-11-19 05:08:52,069 INFO L119 LiptonReduction]: Number of co-enabled transitions 38136 [2023-11-19 05:09:36,482 INFO L134 LiptonReduction]: Checked pairs total: 163809 [2023-11-19 05:09:36,482 INFO L136 LiptonReduction]: Total number of compositions: 587 [2023-11-19 05:09:36,494 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 213 places, 188 transitions, 432 flow