./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix021_power.oepc_pso.oepc_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc 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_816f4f23-7c81-44b8-806c-5a2a034cf2ac/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816f4f23-7c81-44b8-806c-5a2a034cf2ac/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816f4f23-7c81-44b8-806c-5a2a034cf2ac/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816f4f23-7c81-44b8-806c-5a2a034cf2ac/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix021_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816f4f23-7c81-44b8-806c-5a2a034cf2ac/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816f4f23-7c81-44b8-806c-5a2a034cf2ac/bin/uautomizer-verify-VRDe98Ueme --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 8943650a21e052edc6a6af145da55799620df509a78c8e503eca6167eaa2f8fc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:02:14,020 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:02:14,151 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816f4f23-7c81-44b8-806c-5a2a034cf2ac/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 12:02:14,159 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:02:14,160 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:02:14,202 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:02:14,203 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:02:14,203 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:02:14,204 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:02:14,210 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:02:14,211 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:02:14,212 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:02:14,213 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:02:14,215 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:02:14,215 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:02:14,216 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:02:14,216 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:02:14,216 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:02:14,217 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:02:14,217 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:02:14,218 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:02:14,219 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:02:14,219 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 12:02:14,219 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 12:02:14,220 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:02:14,220 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:02:14,221 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:02:14,222 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:02:14,222 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:02:14,223 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:02:14,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:02:14,225 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:02:14,225 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:02:14,225 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:02:14,225 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:02:14,226 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 12:02:14,226 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:02:14,226 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:02:14,226 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:02:14,227 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:02:14,227 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:02:14,227 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_816f4f23-7c81-44b8-806c-5a2a034cf2ac/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816f4f23-7c81-44b8-806c-5a2a034cf2ac/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8943650a21e052edc6a6af145da55799620df509a78c8e503eca6167eaa2f8fc [2023-11-26 12:02:14,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:02:14,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:02:14,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:02:14,596 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:02:14,597 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:02:14,598 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816f4f23-7c81-44b8-806c-5a2a034cf2ac/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/pthread-wmm/mix021_power.oepc_pso.oepc_rmo.oepc.i [2023-11-26 12:02:17,897 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:02:18,317 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:02:18,318 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816f4f23-7c81-44b8-806c-5a2a034cf2ac/sv-benchmarks/c/pthread-wmm/mix021_power.oepc_pso.oepc_rmo.oepc.i [2023-11-26 12:02:18,344 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816f4f23-7c81-44b8-806c-5a2a034cf2ac/bin/uautomizer-verify-VRDe98Ueme/data/7693621d0/054aaac5c1a34d309c88bc9d11026a7b/FLAG8ff1986d9 [2023-11-26 12:02:18,362 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816f4f23-7c81-44b8-806c-5a2a034cf2ac/bin/uautomizer-verify-VRDe98Ueme/data/7693621d0/054aaac5c1a34d309c88bc9d11026a7b [2023-11-26 12:02:18,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:02:18,370 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:02:18,374 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:02:18,374 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:02:18,380 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:02:18,381 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:02:18" (1/1) ... [2023-11-26 12:02:18,382 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31944292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:18, skipping insertion in model container [2023-11-26 12:02:18,383 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:02:18" (1/1) ... [2023-11-26 12:02:18,478 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:02:19,046 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:02:19,066 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:02:19,179 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:02:19,216 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:02:19,216 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 12:02:19,225 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:02:19,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:19 WrapperNode [2023-11-26 12:02:19,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:02:19,227 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:02:19,227 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:02:19,227 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:02:19,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:19" (1/1) ... [2023-11-26 12:02:19,263 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:19" (1/1) ... [2023-11-26 12:02:19,353 INFO L138 Inliner]: procedures = 177, calls = 70, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 521 [2023-11-26 12:02:19,368 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:02:19,369 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:02:19,369 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:02:19,370 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:02:19,384 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:19" (1/1) ... [2023-11-26 12:02:19,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:19" (1/1) ... [2023-11-26 12:02:19,393 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:19" (1/1) ... [2023-11-26 12:02:19,398 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:19" (1/1) ... [2023-11-26 12:02:19,439 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:19" (1/1) ... [2023-11-26 12:02:19,449 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:19" (1/1) ... [2023-11-26 12:02:19,454 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:19" (1/1) ... [2023-11-26 12:02:19,460 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:19" (1/1) ... [2023-11-26 12:02:19,469 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:02:19,470 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:02:19,470 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:02:19,470 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:02:19,471 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:19" (1/1) ... [2023-11-26 12:02:19,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:02:19,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816f4f23-7c81-44b8-806c-5a2a034cf2ac/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:02:19,520 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816f4f23-7c81-44b8-806c-5a2a034cf2ac/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:02:19,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_816f4f23-7c81-44b8-806c-5a2a034cf2ac/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:02:19,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 12:02:19,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-26 12:02:19,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:02:19,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 12:02:19,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 12:02:19,572 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-26 12:02:19,572 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-26 12:02:19,572 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-26 12:02:19,572 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-26 12:02:19,573 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-26 12:02:19,573 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-26 12:02:19,573 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-26 12:02:19,575 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-26 12:02:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 12:02:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-26 12:02:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:02:19,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:02:19,579 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-26 12:02:19,839 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:02:19,842 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:02:21,821 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:02:27,974 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:02:27,975 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 12:02:27,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:02:27 BoogieIcfgContainer [2023-11-26 12:02:27,977 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:02:27,981 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:02:27,981 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:02:27,984 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:02:27,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:02:18" (1/3) ... [2023-11-26 12:02:27,987 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a5f2b80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:02:27, skipping insertion in model container [2023-11-26 12:02:27,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:02:19" (2/3) ... [2023-11-26 12:02:27,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a5f2b80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:02:27, skipping insertion in model container [2023-11-26 12:02:27,990 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:02:27" (3/3) ... [2023-11-26 12:02:27,991 INFO L112 eAbstractionObserver]: Analyzing ICFG mix021_power.oepc_pso.oepc_rmo.oepc.i [2023-11-26 12:02:28,002 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 12:02:28,014 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:02:28,015 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 282 error locations. [2023-11-26 12:02:28,015 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 12:02:28,475 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-26 12:02:28,524 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 432 places, 422 transitions, 860 flow [2023-11-26 12:02:28,885 INFO L124 PetriNetUnfolderBase]: 3/418 cut-off events. [2023-11-26 12:02:28,885 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 12:02:28,905 INFO L83 FinitePrefix]: Finished finitePrefix Result has 431 conditions, 418 events. 3/418 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 2298 event pairs, 0 based on Foata normal form. 0/133 useless extension candidates. Maximal degree in co-relation 381. Up to 2 conditions per place. [2023-11-26 12:02:28,905 INFO L82 GeneralOperation]: Start removeDead. Operand has 432 places, 422 transitions, 860 flow [2023-11-26 12:02:28,950 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 428 places, 418 transitions, 848 flow [2023-11-26 12:02:28,966 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:02:28,975 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54963909, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:02:28,975 INFO L358 AbstractCegarLoop]: Starting to check reachability of 530 error locations. [2023-11-26 12:02:28,988 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 12:02:28,988 INFO L124 PetriNetUnfolderBase]: 0/46 cut-off events. [2023-11-26 12:02:28,989 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 12:02:28,989 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:28,990 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:02:28,990 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 526 more)] === [2023-11-26 12:02:28,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:28,997 INFO L85 PathProgramCache]: Analyzing trace with hash 734885579, now seen corresponding path program 1 times [2023-11-26 12:02:29,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:29,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094248518] [2023-11-26 12:02:29,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:29,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:29,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:02:29,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:29,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094248518] [2023-11-26 12:02:29,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094248518] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:29,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:29,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-26 12:02:29,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544636020] [2023-11-26 12:02:29,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:29,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 12:02:29,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:29,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 12:02:29,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 12:02:29,369 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 422 [2023-11-26 12:02:29,373 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 428 places, 418 transitions, 848 flow. Second operand has 2 states, 2 states have (on average 115.0) internal successors, (230), 2 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:29,373 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:29,374 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 422 [2023-11-26 12:02:29,375 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:02:46,152 INFO L124 PetriNetUnfolderBase]: 9295/31614 cut-off events. [2023-11-26 12:02:46,152 INFO L125 PetriNetUnfolderBase]: For 156/156 co-relation queries the response was YES. [2023-11-26 12:02:46,314 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44382 conditions, 31614 events. 9295/31614 cut-off events. For 156/156 co-relation queries the response was YES. Maximal size of possible extension queue 1062. Compared 422862 event pairs, 9295 based on Foata normal form. 2193/32114 useless extension candidates. Maximal degree in co-relation 44330. Up to 12451 conditions per place. [2023-11-26 12:02:46,553 INFO L140 encePairwiseOnDemand]: 139/422 looper letters, 24 selfloop transitions, 0 changer transitions 0/132 dead transitions. [2023-11-26 12:02:46,553 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 132 transitions, 324 flow [2023-11-26 12:02:46,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 12:02:46,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-26 12:02:46,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 535 transitions. [2023-11-26 12:02:46,574 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6338862559241706 [2023-11-26 12:02:46,575 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 535 transitions. [2023-11-26 12:02:46,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 535 transitions. [2023-11-26 12:02:46,579 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:02:46,582 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 535 transitions. [2023-11-26 12:02:46,586 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 267.5) internal successors, (535), 2 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:46,593 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 422.0) internal successors, (1266), 3 states have internal predecessors, (1266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:46,594 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 422.0) internal successors, (1266), 3 states have internal predecessors, (1266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:46,596 INFO L175 Difference]: Start difference. First operand has 428 places, 418 transitions, 848 flow. Second operand 2 states and 535 transitions. [2023-11-26 12:02:46,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 132 transitions, 324 flow [2023-11-26 12:02:46,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 132 transitions, 320 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 12:02:46,607 INFO L231 Difference]: Finished difference. Result has 142 places, 132 transitions, 272 flow [2023-11-26 12:02:46,609 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=422, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=272, PETRI_PLACES=142, PETRI_TRANSITIONS=132} [2023-11-26 12:02:46,614 INFO L281 CegarLoopForPetriNet]: 428 programPoint places, -286 predicate places. [2023-11-26 12:02:46,614 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 132 transitions, 272 flow [2023-11-26 12:02:46,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 115.0) internal successors, (230), 2 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:46,615 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:02:46,615 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:02:46,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 12:02:46,616 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 526 more)] === [2023-11-26 12:02:46,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:02:46,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1051532203, now seen corresponding path program 1 times [2023-11-26 12:02:46,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:02:46,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749968557] [2023-11-26 12:02:46,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:02:46,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:02:46,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:02:46,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:02:46,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:02:46,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749968557] [2023-11-26 12:02:46,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749968557] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:02:46,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:02:46,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:02:46,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587208872] [2023-11-26 12:02:46,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:02:46,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:02:46,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:02:46,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:02:46,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:02:46,874 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 422 [2023-11-26 12:02:46,875 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 132 transitions, 272 flow. Second operand has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:02:46,875 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:02:46,876 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 422 [2023-11-26 12:02:46,876 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 12:03:06,942 INFO L124 PetriNetUnfolderBase]: 14145/42892 cut-off events. [2023-11-26 12:03:06,943 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 12:03:07,102 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62007 conditions, 42892 events. 14145/42892 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1037. Compared 550054 event pairs, 4445 based on Foata normal form. 0/40590 useless extension candidates. Maximal degree in co-relation 62004. Up to 12700 conditions per place. [2023-11-26 12:03:07,558 INFO L140 encePairwiseOnDemand]: 420/422 looper letters, 42 selfloop transitions, 1 changer transitions 0/148 dead transitions. [2023-11-26 12:03:07,559 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 148 transitions, 390 flow [2023-11-26 12:03:07,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 12:03:07,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 12:03:07,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 377 transitions. [2023-11-26 12:03:07,562 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.29778830963665087 [2023-11-26 12:03:07,563 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 377 transitions. [2023-11-26 12:03:07,564 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 377 transitions. [2023-11-26 12:03:07,564 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 12:03:07,565 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 377 transitions. [2023-11-26 12:03:07,568 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 125.66666666666667) internal successors, (377), 3 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:03:07,576 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 422.0) internal successors, (1688), 4 states have internal predecessors, (1688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:03:07,578 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 422.0) internal successors, (1688), 4 states have internal predecessors, (1688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:03:07,579 INFO L175 Difference]: Start difference. First operand has 142 places, 132 transitions, 272 flow. Second operand 3 states and 377 transitions. [2023-11-26 12:03:07,579 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 143 places, 148 transitions, 390 flow [2023-11-26 12:03:07,583 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 148 transitions, 390 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 12:03:07,589 INFO L231 Difference]: Finished difference. Result has 143 places, 131 transitions, 272 flow [2023-11-26 12:03:07,590 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=422, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=141, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=272, PETRI_PLACES=143, PETRI_TRANSITIONS=131} [2023-11-26 12:03:07,594 INFO L281 CegarLoopForPetriNet]: 428 programPoint places, -285 predicate places. [2023-11-26 12:03:07,595 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 131 transitions, 272 flow [2023-11-26 12:03:07,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:03:07,596 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 12:03:07,597 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:03:07,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 12:03:07,598 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 526 more)] === [2023-11-26 12:03:07,599 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:03:07,599 INFO L85 PathProgramCache]: Analyzing trace with hash -712513054, now seen corresponding path program 1 times [2023-11-26 12:03:07,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:03:07,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129241941] [2023-11-26 12:03:07,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:03:07,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:03:07,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:03:07,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 12:03:07,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:03:07,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129241941] [2023-11-26 12:03:07,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129241941] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:03:07,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:03:07,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:03:07,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989438824] [2023-11-26 12:03:07,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:03:07,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 12:03:07,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:03:07,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 12:03:07,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 12:03:07,897 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 422 [2023-11-26 12:03:07,898 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 131 transitions, 272 flow. Second operand has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 12:03:07,898 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 12:03:07,899 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 422 [2023-11-26 12:03:07,899 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand