./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-exp-term-symm.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_ba1a2981-d8f6-4376-9a68-c81ac7532928/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1a2981-d8f6-4376-9a68-c81ac7532928/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1a2981-d8f6-4376-9a68-c81ac7532928/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1a2981-d8f6-4376-9a68-c81ac7532928/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1a2981-d8f6-4376-9a68-c81ac7532928/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1a2981-d8f6-4376-9a68-c81ac7532928/bin/uautomizer-verify-uCwYo4JHxu --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 a6cef8f51d4b8dff634e07872101a48e47fb1f63ea17b45a5f4511bf6a262ddb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:57:28,105 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:57:28,222 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1a2981-d8f6-4376-9a68-c81ac7532928/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-19 07:57:28,235 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:57:28,236 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:57:28,273 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:57:28,275 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:57:28,276 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:57:28,277 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:57:28,282 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:57:28,283 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:57:28,283 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:57:28,284 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:57:28,286 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:57:28,286 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:57:28,287 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:57:28,287 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:57:28,288 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:57:28,288 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:57:28,289 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:57:28,289 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:57:28,290 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:57:28,290 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 07:57:28,291 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:57:28,291 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:57:28,292 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:57:28,292 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:57:28,293 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:57:28,293 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:57:28,294 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:57:28,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:57:28,296 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:57:28,296 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:57:28,296 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:57:28,296 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:57:28,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:57:28,297 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:57:28,297 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:57:28,297 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:57:28,298 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:57:28,298 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:57:28,298 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_ba1a2981-d8f6-4376-9a68-c81ac7532928/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1a2981-d8f6-4376-9a68-c81ac7532928/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a6cef8f51d4b8dff634e07872101a48e47fb1f63ea17b45a5f4511bf6a262ddb [2023-11-19 07:57:28,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:57:28,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:57:28,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:57:28,629 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:57:28,630 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:57:28,631 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1a2981-d8f6-4376-9a68-c81ac7532928/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c [2023-11-19 07:57:31,794 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:57:32,028 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:57:32,028 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1a2981-d8f6-4376-9a68-c81ac7532928/sv-benchmarks/c/weaver/chl-exp-term-symm.wvr.c [2023-11-19 07:57:32,040 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1a2981-d8f6-4376-9a68-c81ac7532928/bin/uautomizer-verify-uCwYo4JHxu/data/55450f26b/32d4069df326445fa02d0ee37b346eac/FLAG3146500a0 [2023-11-19 07:57:32,059 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1a2981-d8f6-4376-9a68-c81ac7532928/bin/uautomizer-verify-uCwYo4JHxu/data/55450f26b/32d4069df326445fa02d0ee37b346eac [2023-11-19 07:57:32,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:57:32,067 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:57:32,071 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:57:32,071 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:57:32,077 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:57:32,078 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:57:32" (1/1) ... [2023-11-19 07:57:32,079 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5537e91c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:32, skipping insertion in model container [2023-11-19 07:57:32,080 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:57:32" (1/1) ... [2023-11-19 07:57:32,112 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:57:32,344 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:57:32,355 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:57:32,392 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:57:32,408 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:57:32,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:32 WrapperNode [2023-11-19 07:57:32,409 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:57:32,410 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:57:32,411 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:57:32,411 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:57:32,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:32" (1/1) ... [2023-11-19 07:57:32,429 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:32" (1/1) ... [2023-11-19 07:57:32,462 INFO L138 Inliner]: procedures = 22, calls = 26, calls flagged for inlining = 10, calls inlined = 12, statements flattened = 257 [2023-11-19 07:57:32,462 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:57:32,463 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:57:32,463 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:57:32,463 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:57:32,473 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:32" (1/1) ... [2023-11-19 07:57:32,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:32" (1/1) ... [2023-11-19 07:57:32,479 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:32" (1/1) ... [2023-11-19 07:57:32,479 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:32" (1/1) ... [2023-11-19 07:57:32,490 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:32" (1/1) ... [2023-11-19 07:57:32,494 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:32" (1/1) ... [2023-11-19 07:57:32,497 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:32" (1/1) ... [2023-11-19 07:57:32,499 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:32" (1/1) ... [2023-11-19 07:57:32,503 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:57:32,504 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:57:32,504 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:57:32,505 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:57:32,506 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:32" (1/1) ... [2023-11-19 07:57:32,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:57:32,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1a2981-d8f6-4376-9a68-c81ac7532928/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:32,540 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1a2981-d8f6-4376-9a68-c81ac7532928/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:32,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1a2981-d8f6-4376-9a68-c81ac7532928/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:57:32,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:57:32,582 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 07:57:32,583 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 07:57:32,583 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 07:57:32,583 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 07:57:32,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:57:32,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:57:32,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:57:32,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:57:32,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:57:32,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:57:32,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:57:32,585 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 07:57:32,701 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:57:32,704 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:57:33,173 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:57:33,200 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:57:33,200 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:57:33,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:57:33 BoogieIcfgContainer [2023-11-19 07:57:33,214 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:57:33,218 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:57:33,218 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:57:33,222 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:57:33,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:57:32" (1/3) ... [2023-11-19 07:57:33,224 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f1ffaee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:57:33, skipping insertion in model container [2023-11-19 07:57:33,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:32" (2/3) ... [2023-11-19 07:57:33,227 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f1ffaee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:57:33, skipping insertion in model container [2023-11-19 07:57:33,227 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:57:33" (3/3) ... [2023-11-19 07:57:33,230 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-exp-term-symm.wvr.c [2023-11-19 07:57:33,239 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 07:57:33,252 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:57:33,252 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2023-11-19 07:57:33,252 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:57:33,447 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-19 07:57:33,497 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 328 places, 343 transitions, 700 flow [2023-11-19 07:57:33,675 INFO L124 PetriNetUnfolderBase]: 22/341 cut-off events. [2023-11-19 07:57:33,676 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 07:57:33,689 INFO L83 FinitePrefix]: Finished finitePrefix Result has 350 conditions, 341 events. 22/341 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 859 event pairs, 0 based on Foata normal form. 0/285 useless extension candidates. Maximal degree in co-relation 211. Up to 2 conditions per place. [2023-11-19 07:57:33,690 INFO L82 GeneralOperation]: Start removeDead. Operand has 328 places, 343 transitions, 700 flow [2023-11-19 07:57:33,705 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 304 places, 317 transitions, 646 flow [2023-11-19 07:57:33,709 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:57:33,728 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 304 places, 317 transitions, 646 flow [2023-11-19 07:57:33,733 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 304 places, 317 transitions, 646 flow [2023-11-19 07:57:33,734 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 304 places, 317 transitions, 646 flow [2023-11-19 07:57:33,838 INFO L124 PetriNetUnfolderBase]: 20/317 cut-off events. [2023-11-19 07:57:33,838 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 07:57:33,845 INFO L83 FinitePrefix]: Finished finitePrefix Result has 326 conditions, 317 events. 20/317 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 840 event pairs, 0 based on Foata normal form. 0/264 useless extension candidates. Maximal degree in co-relation 211. Up to 2 conditions per place. [2023-11-19 07:57:33,862 INFO L119 LiptonReduction]: Number of co-enabled transitions 24768 [2023-11-19 07:57:41,768 INFO L134 LiptonReduction]: Checked pairs total: 72727 [2023-11-19 07:57:41,769 INFO L136 LiptonReduction]: Total number of compositions: 309 [2023-11-19 07:57:41,785 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:57:41,792 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;@49f8cf13, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:57:41,792 INFO L358 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2023-11-19 07:57:41,794 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 07:57:41,794 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-19 07:57:41,794 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:57:41,794 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:57:41,795 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-19 07:57:41,796 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2023-11-19 07:57:41,801 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:41,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1289, now seen corresponding path program 1 times [2023-11-19 07:57:41,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:41,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944138937] [2023-11-19 07:57:41,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:41,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:41,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:41,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:57:41,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:41,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944138937] [2023-11-19 07:57:41,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944138937] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:41,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:41,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-19 07:57:41,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812670658] [2023-11-19 07:57:41,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:41,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:57:41,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:41,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:57:41,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:57:41,981 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 331 out of 652 [2023-11-19 07:57:41,989 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 96 transitions, 204 flow. Second operand has 2 states, 2 states have (on average 331.5) internal successors, (663), 2 states have internal predecessors, (663), 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) [2023-11-19 07:57:41,989 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:57:41,990 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 331 of 652 [2023-11-19 07:57:41,991 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:57:42,358 INFO L124 PetriNetUnfolderBase]: 789/1742 cut-off events. [2023-11-19 07:57:42,358 INFO L125 PetriNetUnfolderBase]: For 39/39 co-relation queries the response was YES. [2023-11-19 07:57:42,362 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2939 conditions, 1742 events. 789/1742 cut-off events. For 39/39 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 12254 event pairs, 465 based on Foata normal form. 1/1296 useless extension candidates. Maximal degree in co-relation 2784. Up to 1154 conditions per place. [2023-11-19 07:57:42,374 INFO L140 encePairwiseOnDemand]: 638/652 looper letters, 42 selfloop transitions, 0 changer transitions 1/82 dead transitions. [2023-11-19 07:57:42,375 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 82 transitions, 262 flow [2023-11-19 07:57:42,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:57:42,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-19 07:57:42,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 719 transitions. [2023-11-19 07:57:42,399 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5513803680981595 [2023-11-19 07:57:42,400 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 719 transitions. [2023-11-19 07:57:42,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 719 transitions. [2023-11-19 07:57:42,405 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:57:42,408 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 719 transitions. [2023-11-19 07:57:42,415 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 359.5) internal successors, (719), 2 states have internal predecessors, (719), 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) [2023-11-19 07:57:42,424 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 652.0) internal successors, (1956), 3 states have internal predecessors, (1956), 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) [2023-11-19 07:57:42,427 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 652.0) internal successors, (1956), 3 states have internal predecessors, (1956), 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) [2023-11-19 07:57:42,429 INFO L175 Difference]: Start difference. First operand has 91 places, 96 transitions, 204 flow. Second operand 2 states and 719 transitions. [2023-11-19 07:57:42,430 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 82 transitions, 262 flow [2023-11-19 07:57:42,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 82 transitions, 254 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-19 07:57:42,438 INFO L231 Difference]: Finished difference. Result has 74 places, 81 transitions, 165 flow [2023-11-19 07:57:42,441 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=652, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=165, PETRI_PLACES=74, PETRI_TRANSITIONS=81} [2023-11-19 07:57:42,445 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -17 predicate places. [2023-11-19 07:57:42,446 INFO L495 AbstractCegarLoop]: Abstraction has has 74 places, 81 transitions, 165 flow [2023-11-19 07:57:42,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 331.5) internal successors, (663), 2 states have internal predecessors, (663), 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) [2023-11-19 07:57:42,447 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:57:42,447 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2023-11-19 07:57:42,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:57:42,449 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2023-11-19 07:57:42,450 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:42,450 INFO L85 PathProgramCache]: Analyzing trace with hash 39930730, now seen corresponding path program 1 times [2023-11-19 07:57:42,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:42,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649976648] [2023-11-19 07:57:42,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:42,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:42,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:42,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:57:42,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:42,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649976648] [2023-11-19 07:57:42,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649976648] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:42,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:42,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:57:42,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381035288] [2023-11-19 07:57:42,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:42,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:57:42,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:42,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:57:42,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:57:42,631 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 652 [2023-11-19 07:57:42,633 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 81 transitions, 165 flow. Second operand has 3 states, 3 states have (on average 313.3333333333333) internal successors, (940), 3 states have internal predecessors, (940), 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) [2023-11-19 07:57:42,633 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:57:42,634 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 652 [2023-11-19 07:57:42,634 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:57:42,897 INFO L124 PetriNetUnfolderBase]: 999/2109 cut-off events. [2023-11-19 07:57:42,898 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-19 07:57:42,902 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3606 conditions, 2109 events. 999/2109 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 14170 event pairs, 337 based on Foata normal form. 0/1603 useless extension candidates. Maximal degree in co-relation 3603. Up to 1470 conditions per place. [2023-11-19 07:57:42,915 INFO L140 encePairwiseOnDemand]: 644/652 looper letters, 50 selfloop transitions, 2 changer transitions 0/81 dead transitions. [2023-11-19 07:57:42,915 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 81 transitions, 270 flow [2023-11-19 07:57:42,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:57:42,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:57:42,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 994 transitions. [2023-11-19 07:57:42,920 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5081799591002045 [2023-11-19 07:57:42,920 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 994 transitions. [2023-11-19 07:57:42,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 994 transitions. [2023-11-19 07:57:42,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:57:42,921 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 994 transitions. [2023-11-19 07:57:42,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 331.3333333333333) internal successors, (994), 3 states have internal predecessors, (994), 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) [2023-11-19 07:57:42,931 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 652.0) internal successors, (2608), 4 states have internal predecessors, (2608), 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) [2023-11-19 07:57:42,933 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 652.0) internal successors, (2608), 4 states have internal predecessors, (2608), 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) [2023-11-19 07:57:42,934 INFO L175 Difference]: Start difference. First operand has 74 places, 81 transitions, 165 flow. Second operand 3 states and 994 transitions. [2023-11-19 07:57:42,935 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 81 transitions, 270 flow [2023-11-19 07:57:42,939 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 81 transitions, 270 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:57:42,942 INFO L231 Difference]: Finished difference. Result has 70 places, 77 transitions, 167 flow [2023-11-19 07:57:42,943 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=652, PETRI_DIFFERENCE_MINUEND_FLOW=153, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=167, PETRI_PLACES=70, PETRI_TRANSITIONS=77} [2023-11-19 07:57:42,945 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -21 predicate places. [2023-11-19 07:57:42,946 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 77 transitions, 167 flow [2023-11-19 07:57:42,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 313.3333333333333) internal successors, (940), 3 states have internal predecessors, (940), 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) [2023-11-19 07:57:42,949 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:57:42,949 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:57:42,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:57:42,955 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2023-11-19 07:57:42,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:42,957 INFO L85 PathProgramCache]: Analyzing trace with hash -277182377, now seen corresponding path program 1 times [2023-11-19 07:57:42,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:42,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054408913] [2023-11-19 07:57:42,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:42,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:42,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:43,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:57:43,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:43,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054408913] [2023-11-19 07:57:43,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054408913] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:43,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:43,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:57:43,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707609413] [2023-11-19 07:57:43,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:43,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:57:43,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:43,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:57:43,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:57:43,074 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 312 out of 652 [2023-11-19 07:57:43,076 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 77 transitions, 167 flow. Second operand has 3 states, 3 states have (on average 314.0) internal successors, (942), 3 states have internal predecessors, (942), 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) [2023-11-19 07:57:43,076 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:57:43,076 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 312 of 652 [2023-11-19 07:57:43,076 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:57:43,354 INFO L124 PetriNetUnfolderBase]: 1055/1988 cut-off events. [2023-11-19 07:57:43,354 INFO L125 PetriNetUnfolderBase]: For 46/46 co-relation queries the response was YES. [2023-11-19 07:57:43,358 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3637 conditions, 1988 events. 1055/1988 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 11802 event pairs, 363 based on Foata normal form. 0/1515 useless extension candidates. Maximal degree in co-relation 3633. Up to 1552 conditions per place. [2023-11-19 07:57:43,370 INFO L140 encePairwiseOnDemand]: 644/652 looper letters, 52 selfloop transitions, 2 changer transitions 0/77 dead transitions. [2023-11-19 07:57:43,370 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 77 transitions, 279 flow [2023-11-19 07:57:43,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:57:43,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:57:43,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 995 transitions. [2023-11-19 07:57:43,374 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5086912065439673 [2023-11-19 07:57:43,375 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 995 transitions. [2023-11-19 07:57:43,375 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 995 transitions. [2023-11-19 07:57:43,376 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:57:43,376 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 995 transitions. [2023-11-19 07:57:43,379 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 331.6666666666667) internal successors, (995), 3 states have internal predecessors, (995), 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) [2023-11-19 07:57:43,385 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 652.0) internal successors, (2608), 4 states have internal predecessors, (2608), 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) [2023-11-19 07:57:43,387 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 652.0) internal successors, (2608), 4 states have internal predecessors, (2608), 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) [2023-11-19 07:57:43,387 INFO L175 Difference]: Start difference. First operand has 70 places, 77 transitions, 167 flow. Second operand 3 states and 995 transitions. [2023-11-19 07:57:43,388 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 77 transitions, 279 flow [2023-11-19 07:57:43,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 77 transitions, 279 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:57:43,391 INFO L231 Difference]: Finished difference. Result has 67 places, 73 transitions, 169 flow [2023-11-19 07:57:43,391 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=652, PETRI_DIFFERENCE_MINUEND_FLOW=155, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=169, PETRI_PLACES=67, PETRI_TRANSITIONS=73} [2023-11-19 07:57:43,392 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -24 predicate places. [2023-11-19 07:57:43,392 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 73 transitions, 169 flow [2023-11-19 07:57:43,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 314.0) internal successors, (942), 3 states have internal predecessors, (942), 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) [2023-11-19 07:57:43,393 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:57:43,394 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:57:43,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:57:43,394 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2023-11-19 07:57:43,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:43,395 INFO L85 PathProgramCache]: Analyzing trace with hash -172811400, now seen corresponding path program 1 times [2023-11-19 07:57:43,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:43,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377677739] [2023-11-19 07:57:43,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:43,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:43,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:57:43,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:43,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377677739] [2023-11-19 07:57:43,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377677739] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:43,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:43,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:57:43,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035877453] [2023-11-19 07:57:43,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:43,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:57:43,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:43,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:57:43,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:57:43,458 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 326 out of 652 [2023-11-19 07:57:43,460 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 73 transitions, 169 flow. Second operand has 3 states, 3 states have (on average 328.0) internal successors, (984), 3 states have internal predecessors, (984), 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) [2023-11-19 07:57:43,460 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:57:43,460 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 326 of 652 [2023-11-19 07:57:43,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:57:43,822 INFO L124 PetriNetUnfolderBase]: 1207/2439 cut-off events. [2023-11-19 07:57:43,823 INFO L125 PetriNetUnfolderBase]: For 70/72 co-relation queries the response was YES. [2023-11-19 07:57:43,827 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4323 conditions, 2439 events. 1207/2439 cut-off events. For 70/72 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 16322 event pairs, 455 based on Foata normal form. 0/1885 useless extension candidates. Maximal degree in co-relation 4318. Up to 1175 conditions per place. [2023-11-19 07:57:43,840 INFO L140 encePairwiseOnDemand]: 648/652 looper letters, 71 selfloop transitions, 3 changer transitions 0/103 dead transitions. [2023-11-19 07:57:43,840 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 103 transitions, 380 flow [2023-11-19 07:57:43,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:57:43,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:57:43,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1051 transitions. [2023-11-19 07:57:43,845 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.537321063394683 [2023-11-19 07:57:43,845 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1051 transitions. [2023-11-19 07:57:43,845 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1051 transitions. [2023-11-19 07:57:43,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:57:43,846 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1051 transitions. [2023-11-19 07:57:43,850 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 350.3333333333333) internal successors, (1051), 3 states have internal predecessors, (1051), 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) [2023-11-19 07:57:43,855 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 652.0) internal successors, (2608), 4 states have internal predecessors, (2608), 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) [2023-11-19 07:57:43,857 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 652.0) internal successors, (2608), 4 states have internal predecessors, (2608), 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) [2023-11-19 07:57:43,857 INFO L175 Difference]: Start difference. First operand has 67 places, 73 transitions, 169 flow. Second operand 3 states and 1051 transitions. [2023-11-19 07:57:43,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 103 transitions, 380 flow [2023-11-19 07:57:43,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 103 transitions, 380 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:57:43,861 INFO L231 Difference]: Finished difference. Result has 71 places, 75 transitions, 191 flow [2023-11-19 07:57:43,861 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=652, PETRI_DIFFERENCE_MINUEND_FLOW=169, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=191, PETRI_PLACES=71, PETRI_TRANSITIONS=75} [2023-11-19 07:57:43,862 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -20 predicate places. [2023-11-19 07:57:43,862 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 75 transitions, 191 flow [2023-11-19 07:57:43,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 328.0) internal successors, (984), 3 states have internal predecessors, (984), 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) [2023-11-19 07:57:43,863 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:57:43,864 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:57:43,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:57:43,864 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2023-11-19 07:57:43,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:43,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1325486856, now seen corresponding path program 1 times [2023-11-19 07:57:43,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:43,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097285907] [2023-11-19 07:57:43,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:43,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:43,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:57:43,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:43,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097285907] [2023-11-19 07:57:43,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097285907] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:43,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:43,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:57:43,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113917951] [2023-11-19 07:57:43,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:43,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:57:43,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:43,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:57:43,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:57:43,926 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 652 [2023-11-19 07:57:43,928 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 75 transitions, 191 flow. Second operand has 3 states, 3 states have (on average 320.6666666666667) internal successors, (962), 3 states have internal predecessors, (962), 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) [2023-11-19 07:57:43,928 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:57:43,928 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 652 [2023-11-19 07:57:43,928 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:57:44,492 INFO L124 PetriNetUnfolderBase]: 2389/4181 cut-off events. [2023-11-19 07:57:44,492 INFO L125 PetriNetUnfolderBase]: For 617/619 co-relation queries the response was YES. [2023-11-19 07:57:44,505 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8343 conditions, 4181 events. 2389/4181 cut-off events. For 617/619 co-relation queries the response was YES. Maximal size of possible extension queue 195. Compared 26220 event pairs, 662 based on Foata normal form. 0/3415 useless extension candidates. Maximal degree in co-relation 8336. Up to 2015 conditions per place. [2023-11-19 07:57:44,529 INFO L140 encePairwiseOnDemand]: 644/652 looper letters, 88 selfloop transitions, 4 changer transitions 0/112 dead transitions. [2023-11-19 07:57:44,529 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 112 transitions, 473 flow [2023-11-19 07:57:44,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:57:44,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:57:44,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1044 transitions. [2023-11-19 07:57:44,534 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5337423312883436 [2023-11-19 07:57:44,534 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1044 transitions. [2023-11-19 07:57:44,534 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1044 transitions. [2023-11-19 07:57:44,535 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:57:44,536 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1044 transitions. [2023-11-19 07:57:44,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 348.0) internal successors, (1044), 3 states have internal predecessors, (1044), 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) [2023-11-19 07:57:44,546 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 652.0) internal successors, (2608), 4 states have internal predecessors, (2608), 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) [2023-11-19 07:57:44,548 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 652.0) internal successors, (2608), 4 states have internal predecessors, (2608), 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) [2023-11-19 07:57:44,549 INFO L175 Difference]: Start difference. First operand has 71 places, 75 transitions, 191 flow. Second operand 3 states and 1044 transitions. [2023-11-19 07:57:44,549 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 112 transitions, 473 flow [2023-11-19 07:57:44,556 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 112 transitions, 461 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-19 07:57:44,559 INFO L231 Difference]: Finished difference. Result has 68 places, 75 transitions, 207 flow [2023-11-19 07:57:44,560 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=652, PETRI_DIFFERENCE_MINUEND_FLOW=177, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=207, PETRI_PLACES=68, PETRI_TRANSITIONS=75} [2023-11-19 07:57:44,562 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -23 predicate places. [2023-11-19 07:57:44,562 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 75 transitions, 207 flow [2023-11-19 07:57:44,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 320.6666666666667) internal successors, (962), 3 states have internal predecessors, (962), 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) [2023-11-19 07:57:44,564 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:57:44,564 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:57:44,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:57:44,564 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread2Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2023-11-19 07:57:44,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:44,565 INFO L85 PathProgramCache]: Analyzing trace with hash 2142855765, now seen corresponding path program 1 times [2023-11-19 07:57:44,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:44,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278507513] [2023-11-19 07:57:44,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:44,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:44,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:44,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:57:44,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:44,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278507513] [2023-11-19 07:57:44,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278507513] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:44,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:44,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:57:44,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504322232] [2023-11-19 07:57:44,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:44,660 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:57:44,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:44,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:57:44,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:57:44,671 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 326 out of 652 [2023-11-19 07:57:44,673 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 75 transitions, 207 flow. Second operand has 3 states, 3 states have (on average 328.6666666666667) internal successors, (986), 3 states have internal predecessors, (986), 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) [2023-11-19 07:57:44,673 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:57:44,673 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 326 of 652 [2023-11-19 07:57:44,674 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:57:45,305 INFO L124 PetriNetUnfolderBase]: 2768/5088 cut-off events. [2023-11-19 07:57:45,305 INFO L125 PetriNetUnfolderBase]: For 572/574 co-relation queries the response was YES. [2023-11-19 07:57:45,324 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10104 conditions, 5088 events. 2768/5088 cut-off events. For 572/574 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 34527 event pairs, 1150 based on Foata normal form. 0/4092 useless extension candidates. Maximal degree in co-relation 10097. Up to 2760 conditions per place. [2023-11-19 07:57:45,359 INFO L140 encePairwiseOnDemand]: 648/652 looper letters, 76 selfloop transitions, 3 changer transitions 0/107 dead transitions. [2023-11-19 07:57:45,360 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 107 transitions, 451 flow [2023-11-19 07:57:45,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:57:45,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:57:45,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1050 transitions. [2023-11-19 07:57:45,365 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5368098159509203 [2023-11-19 07:57:45,365 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1050 transitions. [2023-11-19 07:57:45,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1050 transitions. [2023-11-19 07:57:45,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:57:45,368 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1050 transitions. [2023-11-19 07:57:45,371 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 350.0) internal successors, (1050), 3 states have internal predecessors, (1050), 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) [2023-11-19 07:57:45,377 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 652.0) internal successors, (2608), 4 states have internal predecessors, (2608), 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) [2023-11-19 07:57:45,380 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 652.0) internal successors, (2608), 4 states have internal predecessors, (2608), 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) [2023-11-19 07:57:45,380 INFO L175 Difference]: Start difference. First operand has 68 places, 75 transitions, 207 flow. Second operand 3 states and 1050 transitions. [2023-11-19 07:57:45,380 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 107 transitions, 451 flow [2023-11-19 07:57:45,385 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 107 transitions, 451 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-19 07:57:45,387 INFO L231 Difference]: Finished difference. Result has 72 places, 77 transitions, 229 flow [2023-11-19 07:57:45,388 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=652, PETRI_DIFFERENCE_MINUEND_FLOW=207, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=229, PETRI_PLACES=72, PETRI_TRANSITIONS=77} [2023-11-19 07:57:45,390 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -19 predicate places. [2023-11-19 07:57:45,394 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 77 transitions, 229 flow [2023-11-19 07:57:45,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 328.6666666666667) internal successors, (986), 3 states have internal predecessors, (986), 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) [2023-11-19 07:57:45,396 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:57:45,396 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:57:45,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 07:57:45,397 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err6ASSERT_VIOLATIONDATA_RACE (and 54 more)] === [2023-11-19 07:57:45,397 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:45,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1812390898, now seen corresponding path program 1 times [2023-11-19 07:57:45,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:45,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564447156] [2023-11-19 07:57:45,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:45,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:45,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:45,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:57:45,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:45,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564447156] [2023-11-19 07:57:45,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564447156] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:45,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:45,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:57:45,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983317944] [2023-11-19 07:57:45,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:45,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:57:45,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:45,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:57:45,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:57:45,498 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 318 out of 652 [2023-11-19 07:57:45,500 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 77 transitions, 229 flow. Second operand has 3 states, 3 states have (on average 321.0) internal successors, (963), 3 states have internal predecessors, (963), 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) [2023-11-19 07:57:45,500 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:57:45,500 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 318 of 652 [2023-11-19 07:57:45,500 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:57:46,209 INFO L124 PetriNetUnfolderBase]: 3700/6003 cut-off events. [2023-11-19 07:57:46,210 INFO L125 PetriNetUnfolderBase]: For 1173/1175 co-relation queries the response was YES. [2023-11-19 07:57:46,231 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13302 conditions, 6003 events. 3700/6003 cut-off events. For 1173/1175 co-relation queries the response was YES. Maximal size of possible extension queue 225. Compared 35684 event pairs, 1050 based on Foata normal form. 0/5168 useless extension candidates. Maximal degree in co-relation 13293. Up to 3176 conditions per place. [2023-11-19 07:57:46,235 INFO L140 encePairwiseOnDemand]: 644/652 looper letters, 0 selfloop transitions, 0 changer transitions 116/116 dead transitions. [2023-11-19 07:57:46,236 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 116 transitions, 540 flow [2023-11-19 07:57:46,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:57:46,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:57:46,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1044 transitions. [2023-11-19 07:57:46,240 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5337423312883436 [2023-11-19 07:57:46,240 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1044 transitions. [2023-11-19 07:57:46,241 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1044 transitions. [2023-11-19 07:57:46,242 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:57:46,243 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1044 transitions. [2023-11-19 07:57:46,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 348.0) internal successors, (1044), 3 states have internal predecessors, (1044), 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) [2023-11-19 07:57:46,257 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 652.0) internal successors, (2608), 4 states have internal predecessors, (2608), 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) [2023-11-19 07:57:46,259 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 652.0) internal successors, (2608), 4 states have internal predecessors, (2608), 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) [2023-11-19 07:57:46,259 INFO L175 Difference]: Start difference. First operand has 72 places, 77 transitions, 229 flow. Second operand 3 states and 1044 transitions. [2023-11-19 07:57:46,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 116 transitions, 540 flow [2023-11-19 07:57:46,273 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 116 transitions, 528 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-19 07:57:46,274 INFO L231 Difference]: Finished difference. Result has 68 places, 0 transitions, 0 flow [2023-11-19 07:57:46,275 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=652, PETRI_DIFFERENCE_MINUEND_FLOW=215, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=68, PETRI_TRANSITIONS=0} [2023-11-19 07:57:46,277 INFO L281 CegarLoopForPetriNet]: 91 programPoint places, -23 predicate places. [2023-11-19 07:57:46,277 INFO L495 AbstractCegarLoop]: Abstraction has has 68 places, 0 transitions, 0 flow [2023-11-19 07:57:46,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 321.0) internal successors, (963), 3 states have internal predecessors, (963), 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) [2023-11-19 07:57:46,280 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (57 of 58 remaining) [2023-11-19 07:57:46,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (56 of 58 remaining) [2023-11-19 07:57:46,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (55 of 58 remaining) [2023-11-19 07:57:46,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (54 of 58 remaining) [2023-11-19 07:57:46,281 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (53 of 58 remaining) [2023-11-19 07:57:46,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (52 of 58 remaining) [2023-11-19 07:57:46,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (51 of 58 remaining) [2023-11-19 07:57:46,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (50 of 58 remaining) [2023-11-19 07:57:46,282 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (49 of 58 remaining) [2023-11-19 07:57:46,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (48 of 58 remaining) [2023-11-19 07:57:46,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (47 of 58 remaining) [2023-11-19 07:57:46,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (46 of 58 remaining) [2023-11-19 07:57:46,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (45 of 58 remaining) [2023-11-19 07:57:46,283 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (44 of 58 remaining) [2023-11-19 07:57:46,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (43 of 58 remaining) [2023-11-19 07:57:46,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (42 of 58 remaining) [2023-11-19 07:57:46,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (41 of 58 remaining) [2023-11-19 07:57:46,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (40 of 58 remaining) [2023-11-19 07:57:46,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (39 of 58 remaining) [2023-11-19 07:57:46,285 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (38 of 58 remaining) [2023-11-19 07:57:46,290 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (37 of 58 remaining) [2023-11-19 07:57:46,290 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (36 of 58 remaining) [2023-11-19 07:57:46,291 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (35 of 58 remaining) [2023-11-19 07:57:46,292 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (34 of 58 remaining) [2023-11-19 07:57:46,292 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (33 of 58 remaining) [2023-11-19 07:57:46,292 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (32 of 58 remaining) [2023-11-19 07:57:46,292 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (31 of 58 remaining) [2023-11-19 07:57:46,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (30 of 58 remaining) [2023-11-19 07:57:46,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (29 of 58 remaining) [2023-11-19 07:57:46,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (28 of 58 remaining) [2023-11-19 07:57:46,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (27 of 58 remaining) [2023-11-19 07:57:46,293 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (26 of 58 remaining) [2023-11-19 07:57:46,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (25 of 58 remaining) [2023-11-19 07:57:46,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (24 of 58 remaining) [2023-11-19 07:57:46,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 58 remaining) [2023-11-19 07:57:46,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (22 of 58 remaining) [2023-11-19 07:57:46,294 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (21 of 58 remaining) [2023-11-19 07:57:46,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (20 of 58 remaining) [2023-11-19 07:57:46,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (19 of 58 remaining) [2023-11-19 07:57:46,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (18 of 58 remaining) [2023-11-19 07:57:46,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (17 of 58 remaining) [2023-11-19 07:57:46,295 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (16 of 58 remaining) [2023-11-19 07:57:46,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (15 of 58 remaining) [2023-11-19 07:57:46,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (14 of 58 remaining) [2023-11-19 07:57:46,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (13 of 58 remaining) [2023-11-19 07:57:46,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (12 of 58 remaining) [2023-11-19 07:57:46,296 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (11 of 58 remaining) [2023-11-19 07:57:46,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (10 of 58 remaining) [2023-11-19 07:57:46,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (9 of 58 remaining) [2023-11-19 07:57:46,297 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (8 of 58 remaining) [2023-11-19 07:57:46,299 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (7 of 58 remaining) [2023-11-19 07:57:46,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (6 of 58 remaining) [2023-11-19 07:57:46,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (5 of 58 remaining) [2023-11-19 07:57:46,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (4 of 58 remaining) [2023-11-19 07:57:46,300 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (3 of 58 remaining) [2023-11-19 07:57:46,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (2 of 58 remaining) [2023-11-19 07:57:46,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (1 of 58 remaining) [2023-11-19 07:57:46,301 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (0 of 58 remaining) [2023-11-19 07:57:46,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 07:57:46,302 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:57:46,309 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 07:57:46,309 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:57:46,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:57:46 BasicIcfg [2023-11-19 07:57:46,315 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:57:46,316 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:57:46,316 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:57:46,316 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:57:46,317 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:57:33" (3/4) ... [2023-11-19 07:57:46,319 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:57:46,322 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-19 07:57:46,322 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-19 07:57:46,331 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-19 07:57:46,331 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 07:57:46,332 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 07:57:46,332 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:57:46,455 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1a2981-d8f6-4376-9a68-c81ac7532928/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:57:46,455 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1a2981-d8f6-4376-9a68-c81ac7532928/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:57:46,455 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:57:46,456 INFO L158 Benchmark]: Toolchain (without parser) took 14389.09ms. Allocated memory was 155.2MB in the beginning and 310.4MB in the end (delta: 155.2MB). Free memory was 113.4MB in the beginning and 176.3MB in the end (delta: -62.9MB). Peak memory consumption was 94.7MB. Max. memory is 16.1GB. [2023-11-19 07:57:46,456 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 155.2MB. Free memory was 99.9MB in the beginning and 99.7MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:57:46,457 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.06ms. Allocated memory is still 155.2MB. Free memory was 113.0MB in the beginning and 100.9MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:57:46,457 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.16ms. Allocated memory is still 155.2MB. Free memory was 100.9MB in the beginning and 98.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:57:46,457 INFO L158 Benchmark]: Boogie Preprocessor took 40.40ms. Allocated memory is still 155.2MB. Free memory was 98.6MB in the beginning and 96.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:57:46,458 INFO L158 Benchmark]: RCFGBuilder took 710.31ms. Allocated memory was 155.2MB in the beginning and 213.9MB in the end (delta: 58.7MB). Free memory was 96.7MB in the beginning and 176.5MB in the end (delta: -79.8MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2023-11-19 07:57:46,458 INFO L158 Benchmark]: TraceAbstraction took 13097.55ms. Allocated memory was 213.9MB in the beginning and 310.4MB in the end (delta: 96.5MB). Free memory was 176.5MB in the beginning and 181.6MB in the end (delta: -5.1MB). Peak memory consumption was 203.6MB. Max. memory is 16.1GB. [2023-11-19 07:57:46,459 INFO L158 Benchmark]: Witness Printer took 139.42ms. Allocated memory is still 310.4MB. Free memory was 181.6MB in the beginning and 176.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 07:57:46,462 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 155.2MB. Free memory was 99.9MB in the beginning and 99.7MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.06ms. Allocated memory is still 155.2MB. Free memory was 113.0MB in the beginning and 100.9MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.16ms. Allocated memory is still 155.2MB. Free memory was 100.9MB in the beginning and 98.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.40ms. Allocated memory is still 155.2MB. Free memory was 98.6MB in the beginning and 96.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 710.31ms. Allocated memory was 155.2MB in the beginning and 213.9MB in the end (delta: 58.7MB). Free memory was 96.7MB in the beginning and 176.5MB in the end (delta: -79.8MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. * TraceAbstraction took 13097.55ms. Allocated memory was 213.9MB in the beginning and 310.4MB in the end (delta: 96.5MB). Free memory was 176.5MB in the beginning and 181.6MB in the end (delta: -5.1MB). Peak memory consumption was 203.6MB. Max. memory is 16.1GB. * Witness Printer took 139.42ms. Allocated memory is still 310.4MB. Free memory was 181.6MB in the beginning and 176.3MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.0s, 304 PlacesBefore, 91 PlacesAfterwards, 317 TransitionsBefore, 96 TransitionsAfterwards, 24768 CoEnabledTransitionPairs, 7 FixpointIterations, 113 TrivialSequentialCompositions, 139 ConcurrentSequentialCompositions, 11 TrivialYvCompositions, 38 ConcurrentYvCompositions, 8 ChoiceCompositions, 309 TotalNumberOfCompositions, 72727 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 28055, independent: 27107, independent conditional: 0, independent unconditional: 27107, dependent: 948, dependent conditional: 0, dependent unconditional: 948, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 13653, independent: 13532, independent conditional: 0, independent unconditional: 13532, dependent: 121, dependent conditional: 0, dependent unconditional: 121, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 28055, independent: 13575, independent conditional: 0, independent unconditional: 13575, dependent: 827, dependent conditional: 0, dependent unconditional: 827, unknown: 13653, unknown conditional: 0, unknown unconditional: 13653] , Statistics on independence cache: Total cache size (in pairs): 1006, Positive cache size: 936, Positive conditional cache size: 0, Positive unconditional cache size: 936, Negative cache size: 70, Negative conditional cache size: 0, Negative unconditional cache size: 70, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 66]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 502 locations, 58 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 12.8s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 337 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 244 mSDsluCounter, 66 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 73 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 663 IncrementalHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 73 mSolverCounterUnsat, 66 mSDtfsCounter, 663 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=229occurred in iteration=6, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 59 NumberOfCodeBlocks, 59 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 34 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 07:57:46,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba1a2981-d8f6-4376-9a68-c81ac7532928/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE