./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/safe004_power.oepc_pso.oepc_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 527bcce2 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_e3efaf5e-b9b1-4a78-bfc2-7be53544d006/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3efaf5e-b9b1-4a78-bfc2-7be53544d006/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3efaf5e-b9b1-4a78-bfc2-7be53544d006/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3efaf5e-b9b1-4a78-bfc2-7be53544d006/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe004_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3efaf5e-b9b1-4a78-bfc2-7be53544d006/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3efaf5e-b9b1-4a78-bfc2-7be53544d006/bin/utaipan-verify-QoSU8krkJ5 --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 0e4c58396f2f1321fc04aa282f0d0da6b992b027ee8ad0492bbdba2f990191a3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 19:44:53,985 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:44:54,086 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3efaf5e-b9b1-4a78-bfc2-7be53544d006/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-21 19:44:54,093 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:44:54,093 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:44:54,122 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:44:54,123 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:44:54,124 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:44:54,125 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:44:54,125 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:44:54,126 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 19:44:54,126 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 19:44:54,127 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 19:44:54,128 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-21 19:44:54,128 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 19:44:54,129 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 19:44:54,129 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-21 19:44:54,130 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-21 19:44:54,131 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 19:44:54,131 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-21 19:44:54,132 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-21 19:44:54,132 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-21 19:44:54,133 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:44:54,134 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 19:44:54,134 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 19:44:54,135 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 19:44:54,135 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 19:44:54,136 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:44:54,136 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 19:44:54,137 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:44:54,137 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 19:44:54,137 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-21 19:44:54,138 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 19:44:54,138 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 19:44:54,139 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 19:44:54,139 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:44:54,140 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:44:54,140 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:44:54,140 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:44:54,141 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:44:54,141 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:44:54,142 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 19:44:54,142 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-21 19:44:54,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 19:44:54,143 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:44:54,144 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 19:44:54,144 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 19:44:54,145 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 19:44:54,145 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_e3efaf5e-b9b1-4a78-bfc2-7be53544d006/bin/utaipan-verify-QoSU8krkJ5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3efaf5e-b9b1-4a78-bfc2-7be53544d006/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e4c58396f2f1321fc04aa282f0d0da6b992b027ee8ad0492bbdba2f990191a3 [2023-11-21 19:44:54,457 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:44:54,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:44:54,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:44:54,498 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:44:54,498 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:44:54,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3efaf5e-b9b1-4a78-bfc2-7be53544d006/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/pthread-wmm/safe004_power.oepc_pso.oepc_rmo.oepc.i [2023-11-21 19:44:57,556 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:44:57,897 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:44:57,898 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3efaf5e-b9b1-4a78-bfc2-7be53544d006/sv-benchmarks/c/pthread-wmm/safe004_power.oepc_pso.oepc_rmo.oepc.i [2023-11-21 19:44:57,919 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3efaf5e-b9b1-4a78-bfc2-7be53544d006/bin/utaipan-verify-QoSU8krkJ5/data/0a41e5377/791dca2597be4a5d82d8a5ba8c70856e/FLAG2a73c4fb3 [2023-11-21 19:44:57,945 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3efaf5e-b9b1-4a78-bfc2-7be53544d006/bin/utaipan-verify-QoSU8krkJ5/data/0a41e5377/791dca2597be4a5d82d8a5ba8c70856e [2023-11-21 19:44:57,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:44:57,955 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:44:57,959 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:44:57,959 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:44:57,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:44:57,965 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:44:57" (1/1) ... [2023-11-21 19:44:57,966 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53dd989a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:44:57, skipping insertion in model container [2023-11-21 19:44:57,967 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:44:57" (1/1) ... [2023-11-21 19:44:58,051 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:44:58,540 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:44:58,551 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 19:44:58,645 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:44:58,687 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:44:58,688 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:44:58,696 INFO L206 MainTranslator]: Completed translation [2023-11-21 19:44:58,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:44:58 WrapperNode [2023-11-21 19:44:58,696 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 19:44:58,697 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 19:44:58,698 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 19:44:58,698 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 19:44:58,706 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:44:58" (1/1) ... [2023-11-21 19:44:58,770 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:44:58" (1/1) ... [2023-11-21 19:44:58,848 INFO L138 Inliner]: procedures = 176, calls = 55, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 939 [2023-11-21 19:44:58,849 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 19:44:58,850 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 19:44:58,850 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 19:44:58,850 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 19:44:58,860 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:44:58" (1/1) ... [2023-11-21 19:44:58,860 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:44:58" (1/1) ... [2023-11-21 19:44:58,868 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:44:58" (1/1) ... [2023-11-21 19:44:58,869 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:44:58" (1/1) ... [2023-11-21 19:44:58,906 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:44:58" (1/1) ... [2023-11-21 19:44:58,921 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:44:58" (1/1) ... [2023-11-21 19:44:58,927 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:44:58" (1/1) ... [2023-11-21 19:44:58,935 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:44:58" (1/1) ... [2023-11-21 19:44:58,947 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 19:44:58,948 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 19:44:58,948 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 19:44:58,948 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 19:44:58,949 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:44:58" (1/1) ... [2023-11-21 19:44:58,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:44:58,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3efaf5e-b9b1-4a78-bfc2-7be53544d006/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 19:44:58,994 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3efaf5e-b9b1-4a78-bfc2-7be53544d006/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 19:44:59,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3efaf5e-b9b1-4a78-bfc2-7be53544d006/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 19:44:59,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 19:44:59,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 19:44:59,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 19:44:59,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 19:44:59,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 19:44:59,078 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-21 19:44:59,079 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-21 19:44:59,079 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-21 19:44:59,080 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-21 19:44:59,080 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-21 19:44:59,080 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-21 19:44:59,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 19:44:59,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 19:44:59,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 19:44:59,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 19:44:59,085 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 19:44:59,375 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 19:44:59,378 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 19:45:01,385 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 19:45:17,523 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 19:45:17,523 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 19:45:17,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:45:17 BoogieIcfgContainer [2023-11-21 19:45:17,525 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 19:45:17,528 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 19:45:17,528 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 19:45:17,531 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 19:45:17,532 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 07:44:57" (1/3) ... [2023-11-21 19:45:17,532 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cd4c8b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:45:17, skipping insertion in model container [2023-11-21 19:45:17,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:44:58" (2/3) ... [2023-11-21 19:45:17,533 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cd4c8b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:45:17, skipping insertion in model container [2023-11-21 19:45:17,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:45:17" (3/3) ... [2023-11-21 19:45:17,534 INFO L112 eAbstractionObserver]: Analyzing ICFG safe004_power.oepc_pso.oepc_rmo.oepc.i [2023-11-21 19:45:17,543 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-21 19:45:17,553 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 19:45:17,554 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 433 error locations. [2023-11-21 19:45:17,554 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-21 19:45:18,109 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-21 19:45:18,155 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 557 places, 550 transitions, 1112 flow