./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede6ab7-034d-4ed6-b526-144bb70b7b6d/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede6ab7-034d-4ed6-b526-144bb70b7b6d/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_6ede6ab7-034d-4ed6-b526-144bb70b7b6d/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede6ab7-034d-4ed6-b526-144bb70b7b6d/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede6ab7-034d-4ed6-b526-144bb70b7b6d/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_6ede6ab7-034d-4ed6-b526-144bb70b7b6d/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 16b41d7352a3e7bca6c65d29839f35cd9a045339e5497acb7d0d6bf7ecef2ad7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:36:38,272 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:36:38,349 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede6ab7-034d-4ed6-b526-144bb70b7b6d/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-19 07:36:38,355 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:36:38,356 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:36:38,384 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:36:38,384 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:36:38,385 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:36:38,386 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:36:38,386 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:36:38,387 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:36:38,388 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:36:38,389 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:36:38,389 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:36:38,390 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:36:38,390 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:36:38,391 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:36:38,391 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:36:38,392 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:36:38,392 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:36:38,393 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:36:38,398 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:36:38,399 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 07:36:38,399 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:36:38,400 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:36:38,400 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:36:38,401 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:36:38,401 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:36:38,401 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:36:38,402 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:36:38,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:36:38,403 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:36:38,403 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:36:38,403 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:36:38,404 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:36:38,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:36:38,405 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:36:38,405 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:36:38,405 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:36:38,406 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:36:38,406 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:36:38,408 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_6ede6ab7-034d-4ed6-b526-144bb70b7b6d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede6ab7-034d-4ed6-b526-144bb70b7b6d/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16b41d7352a3e7bca6c65d29839f35cd9a045339e5497acb7d0d6bf7ecef2ad7 [2023-11-19 07:36:38,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:36:38,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:36:38,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:36:38,721 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:36:38,722 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:36:38,723 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede6ab7-034d-4ed6-b526-144bb70b7b6d/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i [2023-11-19 07:36:41,909 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:36:42,241 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:36:42,242 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede6ab7-034d-4ed6-b526-144bb70b7b6d/sv-benchmarks/c/goblint-regression/13-privatized_31-traces-mine-vs-mutex_true.i [2023-11-19 07:36:42,261 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede6ab7-034d-4ed6-b526-144bb70b7b6d/bin/uautomizer-verify-uCwYo4JHxu/data/1818724d2/af0dc0bb442547c4a9d34c23966038da/FLAG2a8902e3d [2023-11-19 07:36:42,276 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede6ab7-034d-4ed6-b526-144bb70b7b6d/bin/uautomizer-verify-uCwYo4JHxu/data/1818724d2/af0dc0bb442547c4a9d34c23966038da [2023-11-19 07:36:42,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:36:42,281 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:36:42,282 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:36:42,282 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:36:42,289 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:36:42,290 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:42" (1/1) ... [2023-11-19 07:36:42,293 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45822f19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:42, skipping insertion in model container [2023-11-19 07:36:42,294 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:36:42" (1/1) ... [2023-11-19 07:36:42,364 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:36:42,753 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:36:42,772 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:36:42,843 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:36:42,893 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:36:42,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:42 WrapperNode [2023-11-19 07:36:42,893 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:36:42,895 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:36:42,895 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:36:42,895 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:36:42,904 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:42" (1/1) ... [2023-11-19 07:36:42,949 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:42" (1/1) ... [2023-11-19 07:36:42,973 INFO L138 Inliner]: procedures = 162, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2023-11-19 07:36:42,974 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:36:42,975 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:36:42,975 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:36:42,976 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:36:42,986 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:42" (1/1) ... [2023-11-19 07:36:42,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:42" (1/1) ... [2023-11-19 07:36:42,998 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:42" (1/1) ... [2023-11-19 07:36:42,999 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:42" (1/1) ... [2023-11-19 07:36:43,014 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:42" (1/1) ... [2023-11-19 07:36:43,016 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:42" (1/1) ... [2023-11-19 07:36:43,018 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:42" (1/1) ... [2023-11-19 07:36:43,020 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:42" (1/1) ... [2023-11-19 07:36:43,023 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:36:43,032 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:36:43,033 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:36:43,033 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:36:43,034 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:42" (1/1) ... [2023-11-19 07:36:43,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:36:43,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede6ab7-034d-4ed6-b526-144bb70b7b6d/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:43,069 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede6ab7-034d-4ed6-b526-144bb70b7b6d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:43,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede6ab7-034d-4ed6-b526-144bb70b7b6d/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:36:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:36:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:36:43,109 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 07:36:43,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:36:43,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:36:43,110 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-19 07:36:43,110 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-19 07:36:43,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:36:43,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:36:43,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:36:43,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:36:43,112 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 07:36:43,276 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:36:43,279 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:36:43,531 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:36:43,542 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:36:43,542 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 07:36:43,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:43 BoogieIcfgContainer [2023-11-19 07:36:43,551 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:36:43,554 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:36:43,554 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:36:43,557 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:36:43,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:36:42" (1/3) ... [2023-11-19 07:36:43,559 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f3e9f77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:36:43, skipping insertion in model container [2023-11-19 07:36:43,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:36:42" (2/3) ... [2023-11-19 07:36:43,559 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f3e9f77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:36:43, skipping insertion in model container [2023-11-19 07:36:43,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:43" (3/3) ... [2023-11-19 07:36:43,561 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_31-traces-mine-vs-mutex_true.i [2023-11-19 07:36:43,574 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 07:36:43,586 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:36:43,587 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-19 07:36:43,587 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 07:36:43,738 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-19 07:36:43,822 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 108 places, 106 transitions, 219 flow [2023-11-19 07:36:43,879 INFO L124 PetriNetUnfolderBase]: 2/105 cut-off events. [2023-11-19 07:36:43,880 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-19 07:36:43,885 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110 conditions, 105 events. 2/105 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 97 event pairs, 0 based on Foata normal form. 0/97 useless extension candidates. Maximal degree in co-relation 69. Up to 2 conditions per place. [2023-11-19 07:36:43,886 INFO L82 GeneralOperation]: Start removeDead. Operand has 108 places, 106 transitions, 219 flow [2023-11-19 07:36:43,891 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 99 places, 97 transitions, 197 flow [2023-11-19 07:36:43,895 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-19 07:36:43,912 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 99 places, 97 transitions, 197 flow [2023-11-19 07:36:43,918 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 99 places, 97 transitions, 197 flow [2023-11-19 07:36:43,918 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 99 places, 97 transitions, 197 flow [2023-11-19 07:36:43,978 INFO L124 PetriNetUnfolderBase]: 2/97 cut-off events. [2023-11-19 07:36:43,978 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:36:43,981 INFO L83 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 97 events. 2/97 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 97 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 69. Up to 2 conditions per place. [2023-11-19 07:36:43,984 INFO L119 LiptonReduction]: Number of co-enabled transitions 2380 [2023-11-19 07:36:47,299 INFO L134 LiptonReduction]: Checked pairs total: 9014 [2023-11-19 07:36:47,302 INFO L136 LiptonReduction]: Total number of compositions: 73 [2023-11-19 07:36:47,324 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:36:47,331 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;@4c0c6d4a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:36:47,332 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2023-11-19 07:36:47,336 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-19 07:36:47,338 INFO L124 PetriNetUnfolderBase]: 0/8 cut-off events. [2023-11-19 07:36:47,339 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:36:47,339 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:36:47,340 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:36:47,340 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-11-19 07:36:47,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:47,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1989772574, now seen corresponding path program 1 times [2023-11-19 07:36:47,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:47,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588884357] [2023-11-19 07:36:47,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:47,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:47,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:47,679 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 07:36:47,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:36:47,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588884357] [2023-11-19 07:36:47,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588884357] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:36:47,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:36:47,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:36:47,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998404402] [2023-11-19 07:36:47,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:36:47,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:36:47,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:36:47,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:36:47,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:36:47,772 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 179 [2023-11-19 07:36:47,776 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 38 transitions, 79 flow. Second operand has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 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 07:36:47,777 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:36:47,777 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 179 [2023-11-19 07:36:47,778 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:36:47,978 INFO L124 PetriNetUnfolderBase]: 174/439 cut-off events. [2023-11-19 07:36:47,978 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-19 07:36:47,984 INFO L83 FinitePrefix]: Finished finitePrefix Result has 835 conditions, 439 events. 174/439 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1959 event pairs, 60 based on Foata normal form. 0/412 useless extension candidates. Maximal degree in co-relation 826. Up to 247 conditions per place. [2023-11-19 07:36:47,991 INFO L140 encePairwiseOnDemand]: 168/179 looper letters, 39 selfloop transitions, 6 changer transitions 0/50 dead transitions. [2023-11-19 07:36:47,992 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 50 transitions, 193 flow [2023-11-19 07:36:47,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:36:47,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:36:48,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 322 transitions. [2023-11-19 07:36:48,017 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5996275605214153 [2023-11-19 07:36:48,019 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 322 transitions. [2023-11-19 07:36:48,019 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 322 transitions. [2023-11-19 07:36:48,024 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:36:48,026 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 322 transitions. [2023-11-19 07:36:48,037 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 107.33333333333333) internal successors, (322), 3 states have internal predecessors, (322), 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 07:36:48,042 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 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 07:36:48,043 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 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 07:36:48,045 INFO L175 Difference]: Start difference. First operand has 40 places, 38 transitions, 79 flow. Second operand 3 states and 322 transitions. [2023-11-19 07:36:48,046 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 50 transitions, 193 flow [2023-11-19 07:36:48,049 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 50 transitions, 192 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:36:48,052 INFO L231 Difference]: Finished difference. Result has 39 places, 36 transitions, 108 flow [2023-11-19 07:36:48,054 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=108, PETRI_PLACES=39, PETRI_TRANSITIONS=36} [2023-11-19 07:36:48,058 INFO L281 CegarLoopForPetriNet]: 40 programPoint places, -1 predicate places. [2023-11-19 07:36:48,059 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 36 transitions, 108 flow [2023-11-19 07:36:48,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 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 07:36:48,060 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:36:48,060 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:36:48,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:36:48,061 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-11-19 07:36:48,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:48,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1822622165, now seen corresponding path program 1 times [2023-11-19 07:36:48,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:48,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515472233] [2023-11-19 07:36:48,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:48,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:48,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:48,197 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 07:36:48,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:36:48,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515472233] [2023-11-19 07:36:48,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515472233] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:36:48,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:36:48,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:36:48,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593876122] [2023-11-19 07:36:48,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:36:48,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:36:48,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:36:48,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:36:48,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:36:48,242 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 179 [2023-11-19 07:36:48,243 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 36 transitions, 108 flow. Second operand has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 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 07:36:48,243 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:36:48,243 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 179 [2023-11-19 07:36:48,243 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:36:48,379 INFO L124 PetriNetUnfolderBase]: 168/428 cut-off events. [2023-11-19 07:36:48,380 INFO L125 PetriNetUnfolderBase]: For 101/103 co-relation queries the response was YES. [2023-11-19 07:36:48,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 944 conditions, 428 events. 168/428 cut-off events. For 101/103 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1884 event pairs, 127 based on Foata normal form. 0/397 useless extension candidates. Maximal degree in co-relation 934. Up to 353 conditions per place. [2023-11-19 07:36:48,386 INFO L140 encePairwiseOnDemand]: 175/179 looper letters, 36 selfloop transitions, 3 changer transitions 0/46 dead transitions. [2023-11-19 07:36:48,387 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 46 transitions, 210 flow [2023-11-19 07:36:48,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:36:48,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:36:48,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 313 transitions. [2023-11-19 07:36:48,391 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5828677839851024 [2023-11-19 07:36:48,392 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 313 transitions. [2023-11-19 07:36:48,392 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 313 transitions. [2023-11-19 07:36:48,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:36:48,392 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 313 transitions. [2023-11-19 07:36:48,394 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 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 07:36:48,398 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 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 07:36:48,399 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 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 07:36:48,399 INFO L175 Difference]: Start difference. First operand has 39 places, 36 transitions, 108 flow. Second operand 3 states and 313 transitions. [2023-11-19 07:36:48,400 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 46 transitions, 210 flow [2023-11-19 07:36:48,403 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 46 transitions, 196 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-19 07:36:48,408 INFO L231 Difference]: Finished difference. Result has 40 places, 38 transitions, 117 flow [2023-11-19 07:36:48,408 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=117, PETRI_PLACES=40, PETRI_TRANSITIONS=38} [2023-11-19 07:36:48,410 INFO L281 CegarLoopForPetriNet]: 40 programPoint places, 0 predicate places. [2023-11-19 07:36:48,410 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 38 transitions, 117 flow [2023-11-19 07:36:48,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 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 07:36:48,411 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:36:48,412 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:36:48,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:36:48,413 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-11-19 07:36:48,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:48,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1648697987, now seen corresponding path program 1 times [2023-11-19 07:36:48,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:48,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405748914] [2023-11-19 07:36:48,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:48,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:48,731 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 07:36:48,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:36:48,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405748914] [2023-11-19 07:36:48,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405748914] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:36:48,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:36:48,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:36:48,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715151226] [2023-11-19 07:36:48,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:36:48,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:36:48,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:36:48,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:36:48,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:36:48,763 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 179 [2023-11-19 07:36:48,764 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 38 transitions, 117 flow. Second operand has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 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 07:36:48,764 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:36:48,765 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 179 [2023-11-19 07:36:48,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:36:48,862 INFO L124 PetriNetUnfolderBase]: 115/331 cut-off events. [2023-11-19 07:36:48,862 INFO L125 PetriNetUnfolderBase]: For 61/68 co-relation queries the response was YES. [2023-11-19 07:36:48,863 INFO L83 FinitePrefix]: Finished finitePrefix Result has 704 conditions, 331 events. 115/331 cut-off events. For 61/68 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1494 event pairs, 64 based on Foata normal form. 3/325 useless extension candidates. Maximal degree in co-relation 693. Up to 185 conditions per place. [2023-11-19 07:36:48,865 INFO L140 encePairwiseOnDemand]: 177/179 looper letters, 31 selfloop transitions, 1 changer transitions 2/48 dead transitions. [2023-11-19 07:36:48,865 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 48 transitions, 210 flow [2023-11-19 07:36:48,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:36:48,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:36:48,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 319 transitions. [2023-11-19 07:36:48,868 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5940409683426443 [2023-11-19 07:36:48,868 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 319 transitions. [2023-11-19 07:36:48,868 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 319 transitions. [2023-11-19 07:36:48,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:36:48,869 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 319 transitions. [2023-11-19 07:36:48,870 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 106.33333333333333) internal successors, (319), 3 states have internal predecessors, (319), 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 07:36:48,872 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 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 07:36:48,872 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 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 07:36:48,873 INFO L175 Difference]: Start difference. First operand has 40 places, 38 transitions, 117 flow. Second operand 3 states and 319 transitions. [2023-11-19 07:36:48,873 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 48 transitions, 210 flow [2023-11-19 07:36:48,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 48 transitions, 206 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-19 07:36:48,876 INFO L231 Difference]: Finished difference. Result has 40 places, 37 transitions, 114 flow [2023-11-19 07:36:48,877 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=114, PETRI_PLACES=40, PETRI_TRANSITIONS=37} [2023-11-19 07:36:48,878 INFO L281 CegarLoopForPetriNet]: 40 programPoint places, 0 predicate places. [2023-11-19 07:36:48,878 INFO L495 AbstractCegarLoop]: Abstraction has has 40 places, 37 transitions, 114 flow [2023-11-19 07:36:48,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 99.33333333333333) internal successors, (298), 3 states have internal predecessors, (298), 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 07:36:48,879 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:36:48,879 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:36:48,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:36:48,879 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-11-19 07:36:48,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:48,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1007518806, now seen corresponding path program 1 times [2023-11-19 07:36:48,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:48,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239890435] [2023-11-19 07:36:48,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:48,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:48,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:49,048 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 07:36:49,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:36:49,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239890435] [2023-11-19 07:36:49,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239890435] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:36:49,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:36:49,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:36:49,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064086756] [2023-11-19 07:36:49,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:36:49,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:36:49,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:36:49,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:36:49,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:36:49,120 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 179 [2023-11-19 07:36:49,121 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 37 transitions, 114 flow. Second operand has 4 states, 4 states have (on average 97.5) internal successors, (390), 4 states have internal predecessors, (390), 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 07:36:49,121 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:36:49,121 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 179 [2023-11-19 07:36:49,121 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:36:49,185 INFO L124 PetriNetUnfolderBase]: 30/135 cut-off events. [2023-11-19 07:36:49,185 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2023-11-19 07:36:49,185 INFO L83 FinitePrefix]: Finished finitePrefix Result has 276 conditions, 135 events. 30/135 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 367 event pairs, 3 based on Foata normal form. 13/148 useless extension candidates. Maximal degree in co-relation 265. Up to 80 conditions per place. [2023-11-19 07:36:49,186 INFO L140 encePairwiseOnDemand]: 174/179 looper letters, 17 selfloop transitions, 4 changer transitions 3/33 dead transitions. [2023-11-19 07:36:49,187 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 33 transitions, 136 flow [2023-11-19 07:36:49,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:36:49,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-19 07:36:49,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 405 transitions. [2023-11-19 07:36:49,189 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5656424581005587 [2023-11-19 07:36:49,189 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 405 transitions. [2023-11-19 07:36:49,189 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 405 transitions. [2023-11-19 07:36:49,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:36:49,190 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 405 transitions. [2023-11-19 07:36:49,192 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 101.25) internal successors, (405), 4 states have internal predecessors, (405), 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 07:36:49,194 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 179.0) internal successors, (895), 5 states have internal predecessors, (895), 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 07:36:49,195 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 179.0) internal successors, (895), 5 states have internal predecessors, (895), 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 07:36:49,195 INFO L175 Difference]: Start difference. First operand has 40 places, 37 transitions, 114 flow. Second operand 4 states and 405 transitions. [2023-11-19 07:36:49,195 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 33 transitions, 136 flow [2023-11-19 07:36:49,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 33 transitions, 127 flow, removed 2 selfloop flow, removed 3 redundant places. [2023-11-19 07:36:49,198 INFO L231 Difference]: Finished difference. Result has 38 places, 27 transitions, 77 flow [2023-11-19 07:36:49,198 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=77, PETRI_PLACES=38, PETRI_TRANSITIONS=27} [2023-11-19 07:36:49,199 INFO L281 CegarLoopForPetriNet]: 40 programPoint places, -2 predicate places. [2023-11-19 07:36:49,199 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 27 transitions, 77 flow [2023-11-19 07:36:49,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 97.5) internal successors, (390), 4 states have internal predecessors, (390), 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 07:36:49,200 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-19 07:36:49,200 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:36:49,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 07:36:49,201 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2023-11-19 07:36:49,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:49,201 INFO L85 PathProgramCache]: Analyzing trace with hash -1601272779, now seen corresponding path program 1 times [2023-11-19 07:36:49,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:49,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855769809] [2023-11-19 07:36:49,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:49,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:49,237 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 07:36:49,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:36:49,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855769809] [2023-11-19 07:36:49,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855769809] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:36:49,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:36:49,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:36:49,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821095374] [2023-11-19 07:36:49,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:36:49,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:36:49,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:36:49,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:36:49,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:36:49,266 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 92 out of 179 [2023-11-19 07:36:49,266 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 27 transitions, 77 flow. Second operand has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 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 07:36:49,267 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-19 07:36:49,267 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 92 of 179 [2023-11-19 07:36:49,267 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-19 07:36:49,321 INFO L124 PetriNetUnfolderBase]: 36/113 cut-off events. [2023-11-19 07:36:49,321 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2023-11-19 07:36:49,322 INFO L83 FinitePrefix]: Finished finitePrefix Result has 255 conditions, 113 events. 36/113 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 250 event pairs, 33 based on Foata normal form. 5/118 useless extension candidates. Maximal degree in co-relation 244. Up to 99 conditions per place. [2023-11-19 07:36:49,322 INFO L140 encePairwiseOnDemand]: 177/179 looper letters, 0 selfloop transitions, 0 changer transitions 29/29 dead transitions. [2023-11-19 07:36:49,322 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 29 transitions, 133 flow [2023-11-19 07:36:49,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:36:49,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-19 07:36:49,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 302 transitions. [2023-11-19 07:36:49,324 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5623836126629422 [2023-11-19 07:36:49,324 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 302 transitions. [2023-11-19 07:36:49,324 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 302 transitions. [2023-11-19 07:36:49,325 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:36:49,325 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 302 transitions. [2023-11-19 07:36:49,326 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 100.66666666666667) internal successors, (302), 3 states have internal predecessors, (302), 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 07:36:49,328 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 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 07:36:49,328 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 179.0) internal successors, (716), 4 states have internal predecessors, (716), 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 07:36:49,328 INFO L175 Difference]: Start difference. First operand has 38 places, 27 transitions, 77 flow. Second operand 3 states and 302 transitions. [2023-11-19 07:36:49,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 29 transitions, 133 flow [2023-11-19 07:36:49,332 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 29 transitions, 129 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-19 07:36:49,332 INFO L231 Difference]: Finished difference. Result has 34 places, 0 transitions, 0 flow [2023-11-19 07:36:49,333 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=71, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=34, PETRI_TRANSITIONS=0} [2023-11-19 07:36:49,335 INFO L281 CegarLoopForPetriNet]: 40 programPoint places, -6 predicate places. [2023-11-19 07:36:49,336 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 0 transitions, 0 flow [2023-11-19 07:36:49,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.0) internal successors, (291), 3 states have internal predecessors, (291), 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 07:36:49,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (10 of 11 remaining) [2023-11-19 07:36:49,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (9 of 11 remaining) [2023-11-19 07:36:49,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 11 remaining) [2023-11-19 07:36:49,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 11 remaining) [2023-11-19 07:36:49,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 11 remaining) [2023-11-19 07:36:49,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 11 remaining) [2023-11-19 07:36:49,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 11 remaining) [2023-11-19 07:36:49,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 11 remaining) [2023-11-19 07:36:49,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 11 remaining) [2023-11-19 07:36:49,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (1 of 11 remaining) [2023-11-19 07:36:49,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (0 of 11 remaining) [2023-11-19 07:36:49,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 07:36:49,346 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-19 07:36:49,352 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 07:36:49,352 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:36:49,357 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:36:49 BasicIcfg [2023-11-19 07:36:49,358 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:36:49,358 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:36:49,358 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:36:49,359 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:36:49,359 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:36:43" (3/4) ... [2023-11-19 07:36:49,361 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:36:49,365 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-19 07:36:49,371 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-19 07:36:49,371 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 07:36:49,371 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 07:36:49,371 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:36:49,487 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede6ab7-034d-4ed6-b526-144bb70b7b6d/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:36:49,487 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede6ab7-034d-4ed6-b526-144bb70b7b6d/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:36:49,488 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:36:49,488 INFO L158 Benchmark]: Toolchain (without parser) took 7207.86ms. Allocated memory was 136.3MB in the beginning and 218.1MB in the end (delta: 81.8MB). Free memory was 103.1MB in the beginning and 185.0MB in the end (delta: -81.9MB). Peak memory consumption was 116.3MB. Max. memory is 16.1GB. [2023-11-19 07:36:49,489 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 136.3MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:36:49,489 INFO L158 Benchmark]: CACSL2BoogieTranslator took 612.17ms. Allocated memory is still 136.3MB. Free memory was 102.6MB in the beginning and 83.2MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:36:49,490 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.24ms. Allocated memory is still 136.3MB. Free memory was 83.2MB in the beginning and 81.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:36:49,490 INFO L158 Benchmark]: Boogie Preprocessor took 48.78ms. Allocated memory is still 136.3MB. Free memory was 81.2MB in the beginning and 79.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:36:49,490 INFO L158 Benchmark]: RCFGBuilder took 518.69ms. Allocated memory is still 136.3MB. Free memory was 79.5MB in the beginning and 64.4MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 07:36:49,491 INFO L158 Benchmark]: TraceAbstraction took 5803.99ms. Allocated memory was 136.3MB in the beginning and 218.1MB in the end (delta: 81.8MB). Free memory was 63.9MB in the beginning and 77.0MB in the end (delta: -13.0MB). Peak memory consumption was 70.2MB. Max. memory is 16.1GB. [2023-11-19 07:36:49,491 INFO L158 Benchmark]: Witness Printer took 129.56ms. Allocated memory is still 218.1MB. Free memory was 77.0MB in the beginning and 185.0MB in the end (delta: -108.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 07:36:49,493 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 136.3MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 612.17ms. Allocated memory is still 136.3MB. Free memory was 102.6MB in the beginning and 83.2MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.24ms. Allocated memory is still 136.3MB. Free memory was 83.2MB in the beginning and 81.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.78ms. Allocated memory is still 136.3MB. Free memory was 81.2MB in the beginning and 79.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 518.69ms. Allocated memory is still 136.3MB. Free memory was 79.5MB in the beginning and 64.4MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 5803.99ms. Allocated memory was 136.3MB in the beginning and 218.1MB in the end (delta: 81.8MB). Free memory was 63.9MB in the beginning and 77.0MB in the end (delta: -13.0MB). Peak memory consumption was 70.2MB. Max. memory is 16.1GB. * Witness Printer took 129.56ms. Allocated memory is still 218.1MB. Free memory was 77.0MB in the beginning and 185.0MB in the end (delta: -108.0MB). 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: 3.4s, 99 PlacesBefore, 40 PlacesAfterwards, 97 TransitionsBefore, 38 TransitionsAfterwards, 2380 CoEnabledTransitionPairs, 6 FixpointIterations, 26 TrivialSequentialCompositions, 39 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 0 ChoiceCompositions, 73 TotalNumberOfCompositions, 9014 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2509, independent: 2120, independent conditional: 0, independent unconditional: 2120, dependent: 389, dependent conditional: 0, dependent unconditional: 389, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1260, independent: 1200, independent conditional: 0, independent unconditional: 1200, dependent: 60, dependent conditional: 0, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2509, independent: 920, independent conditional: 0, independent unconditional: 920, dependent: 329, dependent conditional: 0, dependent unconditional: 329, unknown: 1260, unknown conditional: 0, unknown unconditional: 1260] , Statistics on independence cache: Total cache size (in pairs): 117, Positive cache size: 83, Positive conditional cache size: 0, Positive unconditional cache size: 83, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 702]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 705]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: 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 3 procedures, 141 locations, 11 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: 5.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.5s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 248 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 120 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 372 IncrementalHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 38 mSDtfsCounter, 372 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=117occurred in iteration=2, InterpolantAutomatonStates: 16, 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, 0.6s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 173 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 07:36:49,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ede6ab7-034d-4ed6-b526-144bb70b7b6d/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