./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febfb6bf-e12f-4024-acf2-4ca4f7bfb895/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febfb6bf-e12f-4024-acf2-4ca4f7bfb895/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febfb6bf-e12f-4024-acf2-4ca4f7bfb895/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febfb6bf-e12f-4024-acf2-4ca4f7bfb895/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febfb6bf-e12f-4024-acf2-4ca4f7bfb895/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febfb6bf-e12f-4024-acf2-4ca4f7bfb895/bin/uautomizer-verify-qhAvR1uOyd --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 5a41a1715a056c3cefb9e5b0430ae444adde5aa2f4e6078578085bf381d921cf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:48:05,421 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:48:05,505 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febfb6bf-e12f-4024-acf2-4ca4f7bfb895/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-13 13:48:05,516 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:48:05,517 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:48:05,553 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:48:05,554 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:48:05,554 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:48:05,555 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:48:05,555 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:48:05,556 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:48:05,557 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:48:05,557 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:48:05,557 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:48:05,557 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:48:05,557 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:48:05,557 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:48:05,558 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:48:05,558 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:48:05,558 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:48:05,558 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:48:05,558 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:48:05,558 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-13 13:48:05,559 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:48:05,559 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:48:05,559 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:48:05,559 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:48:05,559 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:48:05,559 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:48:05,559 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:48:05,560 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:48:05,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:48:05,560 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:48:05,560 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:48:05,560 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:48:05,560 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:48:05,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:48:05,560 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:48:05,560 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:48:05,560 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:48:05,561 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:48:05,561 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_febfb6bf-e12f-4024-acf2-4ca4f7bfb895/bin/uautomizer-verify-qhAvR1uOyd 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 -> 5a41a1715a056c3cefb9e5b0430ae444adde5aa2f4e6078578085bf381d921cf [2024-11-13 13:48:05,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:48:05,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:48:05,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:48:05,898 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:48:05,899 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:48:05,900 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febfb6bf-e12f-4024-acf2-4ca4f7bfb895/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.i Unable to find full path for "g++" [2024-11-13 13:48:07,929 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:48:08,237 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:48:08,238 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febfb6bf-e12f-4024-acf2-4ca4f7bfb895/sv-benchmarks/c/goblint-regression/13-privatized_24-multiple-protecting_true.i [2024-11-13 13:48:08,251 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febfb6bf-e12f-4024-acf2-4ca4f7bfb895/bin/uautomizer-verify-qhAvR1uOyd/data/b7520b498/dea39e7a56b841918cce330d9fc5502a/FLAG6f0b6cbdd [2024-11-13 13:48:08,499 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febfb6bf-e12f-4024-acf2-4ca4f7bfb895/bin/uautomizer-verify-qhAvR1uOyd/data/b7520b498/dea39e7a56b841918cce330d9fc5502a [2024-11-13 13:48:08,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:48:08,503 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:48:08,505 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:48:08,505 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:48:08,509 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:48:08,510 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:48:08" (1/1) ... [2024-11-13 13:48:08,511 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@107a1288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:08, skipping insertion in model container [2024-11-13 13:48:08,512 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:48:08" (1/1) ... [2024-11-13 13:48:08,543 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:48:09,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:48:09,049 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:48:09,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:48:09,157 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:48:09,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:09 WrapperNode [2024-11-13 13:48:09,158 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:48:09,159 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:48:09,159 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:48:09,159 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:48:09,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:09" (1/1) ... [2024-11-13 13:48:09,178 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:09" (1/1) ... [2024-11-13 13:48:09,200 INFO L138 Inliner]: procedures = 165, calls = 63, calls flagged for inlining = 7, calls inlined = 10, statements flattened = 126 [2024-11-13 13:48:09,201 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:48:09,202 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:48:09,202 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:48:09,202 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:48:09,209 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:09" (1/1) ... [2024-11-13 13:48:09,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:09" (1/1) ... [2024-11-13 13:48:09,212 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:09" (1/1) ... [2024-11-13 13:48:09,213 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:09" (1/1) ... [2024-11-13 13:48:09,220 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:09" (1/1) ... [2024-11-13 13:48:09,223 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:09" (1/1) ... [2024-11-13 13:48:09,224 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:09" (1/1) ... [2024-11-13 13:48:09,225 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:09" (1/1) ... [2024-11-13 13:48:09,228 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:48:09,229 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:48:09,229 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:48:09,229 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:48:09,230 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:09" (1/1) ... [2024-11-13 13:48:09,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:48:09,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febfb6bf-e12f-4024-acf2-4ca4f7bfb895/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:09,283 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febfb6bf-e12f-4024-acf2-4ca4f7bfb895/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:09,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febfb6bf-e12f-4024-acf2-4ca4f7bfb895/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:48:09,317 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-13 13:48:09,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:48:09,317 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-13 13:48:09,317 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-13 13:48:09,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 13:48:09,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 13:48:09,318 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-13 13:48:09,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:48:09,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:48:09,319 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 13:48:09,460 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:48:09,462 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:48:09,909 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 13:48:09,909 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:48:09,996 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:48:09,999 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 13:48:10,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:48:10 BoogieIcfgContainer [2024-11-13 13:48:10,000 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:48:10,004 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:48:10,004 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:48:10,010 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:48:10,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:48:08" (1/3) ... [2024-11-13 13:48:10,011 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a2f64c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:48:10, skipping insertion in model container [2024-11-13 13:48:10,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:09" (2/3) ... [2024-11-13 13:48:10,012 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a2f64c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:48:10, skipping insertion in model container [2024-11-13 13:48:10,012 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:48:10" (3/3) ... [2024-11-13 13:48:10,014 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_24-multiple-protecting_true.i [2024-11-13 13:48:10,033 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:48:10,035 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_24-multiple-protecting_true.i that has 2 procedures, 205 locations, 1 initial locations, 0 loop locations, and 12 error locations. [2024-11-13 13:48:10,035 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 13:48:10,143 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-13 13:48:10,201 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 208 places, 212 transitions, 431 flow [2024-11-13 13:48:10,356 INFO L124 PetriNetUnfolderBase]: 8/211 cut-off events. [2024-11-13 13:48:10,361 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 13:48:10,371 INFO L83 FinitePrefix]: Finished finitePrefix Result has 216 conditions, 211 events. 8/211 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 256 event pairs, 0 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 161. Up to 2 conditions per place. [2024-11-13 13:48:10,371 INFO L82 GeneralOperation]: Start removeDead. Operand has 208 places, 212 transitions, 431 flow [2024-11-13 13:48:10,380 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 202 places, 206 transitions, 415 flow [2024-11-13 13:48:10,395 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:48:10,414 INFO L333 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, 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;@55a9735a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:48:10,414 INFO L334 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2024-11-13 13:48:10,440 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-13 13:48:10,441 INFO L124 PetriNetUnfolderBase]: 0/58 cut-off events. [2024-11-13 13:48:10,441 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-13 13:48:10,441 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:48:10,442 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:10,443 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-13 13:48:10,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:10,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1331900586, now seen corresponding path program 1 times [2024-11-13 13:48:10,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:10,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165445499] [2024-11-13 13:48:10,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:10,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:10,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:10,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:48:10,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:10,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165445499] [2024-11-13 13:48:10,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165445499] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:10,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:10,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:48:10,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435738222] [2024-11-13 13:48:10,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:10,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:48:10,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:10,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:48:10,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:48:10,861 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 212 [2024-11-13 13:48:10,867 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 206 transitions, 415 flow. Second operand has 3 states, 3 states have (on average 158.66666666666666) internal successors, (476), 3 states have internal predecessors, (476), 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) [2024-11-13 13:48:10,867 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:48:10,868 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 212 [2024-11-13 13:48:10,870 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:48:11,654 INFO L124 PetriNetUnfolderBase]: 521/2890 cut-off events. [2024-11-13 13:48:11,655 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-11-13 13:48:11,668 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4011 conditions, 2890 events. 521/2890 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 23105 event pairs, 104 based on Foata normal form. 234/2849 useless extension candidates. Maximal degree in co-relation 3960. Up to 662 conditions per place. [2024-11-13 13:48:11,683 INFO L140 encePairwiseOnDemand]: 189/212 looper letters, 62 selfloop transitions, 10 changer transitions 0/220 dead transitions. [2024-11-13 13:48:11,683 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 194 places, 220 transitions, 587 flow [2024-11-13 13:48:11,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:48:11,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:48:11,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 564 transitions. [2024-11-13 13:48:11,703 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8867924528301887 [2024-11-13 13:48:11,707 INFO L175 Difference]: Start difference. First operand has 202 places, 206 transitions, 415 flow. Second operand 3 states and 564 transitions. [2024-11-13 13:48:11,708 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 194 places, 220 transitions, 587 flow [2024-11-13 13:48:11,716 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 193 places, 220 transitions, 586 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-13 13:48:11,747 INFO L231 Difference]: Finished difference. Result has 195 places, 196 transitions, 456 flow [2024-11-13 13:48:11,750 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=191, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=456, PETRI_PLACES=195, PETRI_TRANSITIONS=196} [2024-11-13 13:48:11,755 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, -7 predicate places. [2024-11-13 13:48:11,755 INFO L471 AbstractCegarLoop]: Abstraction has has 195 places, 196 transitions, 456 flow [2024-11-13 13:48:11,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 158.66666666666666) internal successors, (476), 3 states have internal predecessors, (476), 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) [2024-11-13 13:48:11,756 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:48:11,757 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:11,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:48:11,758 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-13 13:48:11,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:11,758 INFO L85 PathProgramCache]: Analyzing trace with hash 50115499, now seen corresponding path program 1 times [2024-11-13 13:48:11,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:11,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983871066] [2024-11-13 13:48:11,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:11,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:11,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:48:11,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:11,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983871066] [2024-11-13 13:48:11,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983871066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:11,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:11,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:48:11,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408164214] [2024-11-13 13:48:11,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:11,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:48:11,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:11,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:48:11,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:48:11,984 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 212 [2024-11-13 13:48:11,985 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 195 places, 196 transitions, 456 flow. Second operand has 3 states, 3 states have (on average 165.33333333333334) internal successors, (496), 3 states have internal predecessors, (496), 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) [2024-11-13 13:48:11,985 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:48:11,985 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 212 [2024-11-13 13:48:11,985 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:48:12,601 INFO L124 PetriNetUnfolderBase]: 506/2890 cut-off events. [2024-11-13 13:48:12,602 INFO L125 PetriNetUnfolderBase]: For 386/390 co-relation queries the response was YES. [2024-11-13 13:48:12,643 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4354 conditions, 2890 events. 506/2890 cut-off events. For 386/390 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 23278 event pairs, 355 based on Foata normal form. 4/2616 useless extension candidates. Maximal degree in co-relation 4302. Up to 979 conditions per place. [2024-11-13 13:48:12,651 INFO L140 encePairwiseOnDemand]: 205/212 looper letters, 52 selfloop transitions, 8 changer transitions 0/215 dead transitions. [2024-11-13 13:48:12,652 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 197 places, 215 transitions, 630 flow [2024-11-13 13:48:12,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:48:12,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:48:12,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 543 transitions. [2024-11-13 13:48:12,657 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8537735849056604 [2024-11-13 13:48:12,658 INFO L175 Difference]: Start difference. First operand has 195 places, 196 transitions, 456 flow. Second operand 3 states and 543 transitions. [2024-11-13 13:48:12,658 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 197 places, 215 transitions, 630 flow [2024-11-13 13:48:12,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 195 places, 215 transitions, 604 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:48:12,668 INFO L231 Difference]: Finished difference. Result has 197 places, 203 transitions, 508 flow [2024-11-13 13:48:12,671 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=436, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=188, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=508, PETRI_PLACES=197, PETRI_TRANSITIONS=203} [2024-11-13 13:48:12,672 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, -5 predicate places. [2024-11-13 13:48:12,672 INFO L471 AbstractCegarLoop]: Abstraction has has 197 places, 203 transitions, 508 flow [2024-11-13 13:48:12,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 165.33333333333334) internal successors, (496), 3 states have internal predecessors, (496), 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) [2024-11-13 13:48:12,672 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:48:12,673 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:12,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:48:12,673 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-13 13:48:12,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:12,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1539458192, now seen corresponding path program 1 times [2024-11-13 13:48:12,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:12,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328704899] [2024-11-13 13:48:12,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:12,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:13,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:48:13,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:13,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328704899] [2024-11-13 13:48:13,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328704899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:13,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:13,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:48:13,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141085979] [2024-11-13 13:48:13,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:13,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:48:13,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:13,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:48:13,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:48:13,241 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 212 [2024-11-13 13:48:13,243 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 197 places, 203 transitions, 508 flow. Second operand has 5 states, 5 states have (on average 173.4) internal successors, (867), 5 states have internal predecessors, (867), 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) [2024-11-13 13:48:13,243 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:48:13,243 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 212 [2024-11-13 13:48:13,243 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:48:13,608 INFO L124 PetriNetUnfolderBase]: 141/1342 cut-off events. [2024-11-13 13:48:13,608 INFO L125 PetriNetUnfolderBase]: For 62/65 co-relation queries the response was YES. [2024-11-13 13:48:13,616 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1857 conditions, 1342 events. 141/1342 cut-off events. For 62/65 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 8903 event pairs, 53 based on Foata normal form. 13/1255 useless extension candidates. Maximal degree in co-relation 1802. Up to 175 conditions per place. [2024-11-13 13:48:13,620 INFO L140 encePairwiseOnDemand]: 204/212 looper letters, 39 selfloop transitions, 8 changer transitions 2/215 dead transitions. [2024-11-13 13:48:13,620 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 215 transitions, 592 flow [2024-11-13 13:48:13,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:48:13,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-13 13:48:13,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 911 transitions. [2024-11-13 13:48:13,626 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8594339622641509 [2024-11-13 13:48:13,627 INFO L175 Difference]: Start difference. First operand has 197 places, 203 transitions, 508 flow. Second operand 5 states and 911 transitions. [2024-11-13 13:48:13,627 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 215 transitions, 592 flow [2024-11-13 13:48:13,631 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 197 places, 215 transitions, 574 flow, removed 5 selfloop flow, removed 2 redundant places. [2024-11-13 13:48:13,635 INFO L231 Difference]: Finished difference. Result has 198 places, 196 transitions, 466 flow [2024-11-13 13:48:13,636 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=432, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=466, PETRI_PLACES=198, PETRI_TRANSITIONS=196} [2024-11-13 13:48:13,637 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, -4 predicate places. [2024-11-13 13:48:13,638 INFO L471 AbstractCegarLoop]: Abstraction has has 198 places, 196 transitions, 466 flow [2024-11-13 13:48:13,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 173.4) internal successors, (867), 5 states have internal predecessors, (867), 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) [2024-11-13 13:48:13,639 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:48:13,639 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:13,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 13:48:13,640 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-13 13:48:13,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:13,641 INFO L85 PathProgramCache]: Analyzing trace with hash 22431668, now seen corresponding path program 1 times [2024-11-13 13:48:13,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:13,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971404170] [2024-11-13 13:48:13,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:13,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:13,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:48:13,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:13,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971404170] [2024-11-13 13:48:13,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971404170] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:13,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:13,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:48:13,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139348454] [2024-11-13 13:48:13,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:13,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:48:13,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:13,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:48:13,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:48:13,793 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 212 [2024-11-13 13:48:13,794 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 198 places, 196 transitions, 466 flow. Second operand has 3 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 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) [2024-11-13 13:48:13,794 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:48:13,794 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 212 [2024-11-13 13:48:13,794 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:48:14,080 INFO L124 PetriNetUnfolderBase]: 206/1490 cut-off events. [2024-11-13 13:48:14,081 INFO L125 PetriNetUnfolderBase]: For 237/238 co-relation queries the response was YES. [2024-11-13 13:48:14,084 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2318 conditions, 1490 events. 206/1490 cut-off events. For 237/238 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 10308 event pairs, 161 based on Foata normal form. 0/1379 useless extension candidates. Maximal degree in co-relation 2262. Up to 482 conditions per place. [2024-11-13 13:48:14,088 INFO L140 encePairwiseOnDemand]: 207/212 looper letters, 45 selfloop transitions, 4 changer transitions 0/202 dead transitions. [2024-11-13 13:48:14,089 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 202 transitions, 583 flow [2024-11-13 13:48:14,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:48:14,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:48:14,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 532 transitions. [2024-11-13 13:48:14,093 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8364779874213837 [2024-11-13 13:48:14,093 INFO L175 Difference]: Start difference. First operand has 198 places, 196 transitions, 466 flow. Second operand 3 states and 532 transitions. [2024-11-13 13:48:14,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 202 transitions, 583 flow [2024-11-13 13:48:14,098 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 202 transitions, 580 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:48:14,101 INFO L231 Difference]: Finished difference. Result has 200 places, 199 transitions, 497 flow [2024-11-13 13:48:14,101 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=463, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=497, PETRI_PLACES=200, PETRI_TRANSITIONS=199} [2024-11-13 13:48:14,102 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, -2 predicate places. [2024-11-13 13:48:14,102 INFO L471 AbstractCegarLoop]: Abstraction has has 200 places, 199 transitions, 497 flow [2024-11-13 13:48:14,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.66666666666666) internal successors, (500), 3 states have internal predecessors, (500), 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) [2024-11-13 13:48:14,103 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:48:14,103 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:14,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 13:48:14,103 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-13 13:48:14,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:14,104 INFO L85 PathProgramCache]: Analyzing trace with hash 811924234, now seen corresponding path program 1 times [2024-11-13 13:48:14,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:14,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447707239] [2024-11-13 13:48:14,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:14,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:14,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:48:14,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:14,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447707239] [2024-11-13 13:48:14,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447707239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:14,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:14,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:48:14,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953483715] [2024-11-13 13:48:14,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:14,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:48:14,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:14,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:48:14,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:48:14,227 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 212 [2024-11-13 13:48:14,228 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 199 transitions, 497 flow. Second operand has 3 states, 3 states have (on average 166.33333333333334) internal successors, (499), 3 states have internal predecessors, (499), 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) [2024-11-13 13:48:14,228 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:48:14,229 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 212 [2024-11-13 13:48:14,229 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:48:14,676 INFO L124 PetriNetUnfolderBase]: 311/1975 cut-off events. [2024-11-13 13:48:14,676 INFO L125 PetriNetUnfolderBase]: For 215/219 co-relation queries the response was YES. [2024-11-13 13:48:14,681 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3055 conditions, 1975 events. 311/1975 cut-off events. For 215/219 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 14451 event pairs, 131 based on Foata normal form. 0/1846 useless extension candidates. Maximal degree in co-relation 2999. Up to 409 conditions per place. [2024-11-13 13:48:14,686 INFO L140 encePairwiseOnDemand]: 203/212 looper letters, 57 selfloop transitions, 6 changer transitions 3/226 dead transitions. [2024-11-13 13:48:14,686 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 226 transitions, 702 flow [2024-11-13 13:48:14,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:48:14,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:48:14,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 554 transitions. [2024-11-13 13:48:14,690 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8710691823899371 [2024-11-13 13:48:14,690 INFO L175 Difference]: Start difference. First operand has 200 places, 199 transitions, 497 flow. Second operand 3 states and 554 transitions. [2024-11-13 13:48:14,690 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 226 transitions, 702 flow [2024-11-13 13:48:14,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 226 transitions, 692 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-13 13:48:14,697 INFO L231 Difference]: Finished difference. Result has 200 places, 201 transitions, 525 flow [2024-11-13 13:48:14,697 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=483, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=525, PETRI_PLACES=200, PETRI_TRANSITIONS=201} [2024-11-13 13:48:14,699 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, -2 predicate places. [2024-11-13 13:48:14,699 INFO L471 AbstractCegarLoop]: Abstraction has has 200 places, 201 transitions, 525 flow [2024-11-13 13:48:14,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 166.33333333333334) internal successors, (499), 3 states have internal predecessors, (499), 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) [2024-11-13 13:48:14,700 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:48:14,700 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:14,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 13:48:14,700 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-13 13:48:14,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:14,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1251267684, now seen corresponding path program 1 times [2024-11-13 13:48:14,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:14,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802202668] [2024-11-13 13:48:14,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:14,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:14,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:14,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:48:14,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:14,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802202668] [2024-11-13 13:48:14,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802202668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:14,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:14,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:48:14,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862962626] [2024-11-13 13:48:14,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:14,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:48:14,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:14,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:48:14,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:48:14,839 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 212 [2024-11-13 13:48:14,840 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 201 transitions, 525 flow. Second operand has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 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) [2024-11-13 13:48:14,841 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:48:14,841 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 212 [2024-11-13 13:48:14,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:48:15,221 INFO L124 PetriNetUnfolderBase]: 342/2025 cut-off events. [2024-11-13 13:48:15,221 INFO L125 PetriNetUnfolderBase]: For 441/445 co-relation queries the response was YES. [2024-11-13 13:48:15,226 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3371 conditions, 2025 events. 342/2025 cut-off events. For 441/445 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 15006 event pairs, 231 based on Foata normal form. 0/1889 useless extension candidates. Maximal degree in co-relation 3314. Up to 667 conditions per place. [2024-11-13 13:48:15,231 INFO L140 encePairwiseOnDemand]: 207/212 looper letters, 51 selfloop transitions, 4 changer transitions 0/216 dead transitions. [2024-11-13 13:48:15,232 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 216 transitions, 677 flow [2024-11-13 13:48:15,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:48:15,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:48:15,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 545 transitions. [2024-11-13 13:48:15,235 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8569182389937107 [2024-11-13 13:48:15,235 INFO L175 Difference]: Start difference. First operand has 200 places, 201 transitions, 525 flow. Second operand 3 states and 545 transitions. [2024-11-13 13:48:15,235 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 216 transitions, 677 flow [2024-11-13 13:48:15,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 216 transitions, 663 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:48:15,243 INFO L231 Difference]: Finished difference. Result has 202 places, 204 transitions, 545 flow [2024-11-13 13:48:15,243 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=513, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=201, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=545, PETRI_PLACES=202, PETRI_TRANSITIONS=204} [2024-11-13 13:48:15,244 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 0 predicate places. [2024-11-13 13:48:15,244 INFO L471 AbstractCegarLoop]: Abstraction has has 202 places, 204 transitions, 545 flow [2024-11-13 13:48:15,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 169.33333333333334) internal successors, (508), 3 states have internal predecessors, (508), 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) [2024-11-13 13:48:15,244 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:48:15,245 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:15,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 13:48:15,245 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-13 13:48:15,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:15,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1764620795, now seen corresponding path program 1 times [2024-11-13 13:48:15,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:15,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654698518] [2024-11-13 13:48:15,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:15,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:15,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:48:15,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:15,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654698518] [2024-11-13 13:48:15,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654698518] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:15,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:15,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:48:15,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905550812] [2024-11-13 13:48:15,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:15,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:48:15,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:15,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:48:15,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:48:15,365 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 212 [2024-11-13 13:48:15,366 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 204 transitions, 545 flow. Second operand has 3 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 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) [2024-11-13 13:48:15,366 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:48:15,366 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 212 [2024-11-13 13:48:15,366 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:48:15,761 INFO L124 PetriNetUnfolderBase]: 350/2173 cut-off events. [2024-11-13 13:48:15,762 INFO L125 PetriNetUnfolderBase]: For 456/460 co-relation queries the response was YES. [2024-11-13 13:48:15,767 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3593 conditions, 2173 events. 350/2173 cut-off events. For 456/460 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 16510 event pairs, 232 based on Foata normal form. 0/2044 useless extension candidates. Maximal degree in co-relation 3535. Up to 691 conditions per place. [2024-11-13 13:48:15,770 INFO L140 encePairwiseOnDemand]: 207/212 looper letters, 45 selfloop transitions, 3 changer transitions 12/219 dead transitions. [2024-11-13 13:48:15,770 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 219 transitions, 699 flow [2024-11-13 13:48:15,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:48:15,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-13 13:48:15,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 545 transitions. [2024-11-13 13:48:15,772 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8569182389937107 [2024-11-13 13:48:15,773 INFO L175 Difference]: Start difference. First operand has 202 places, 204 transitions, 545 flow. Second operand 3 states and 545 transitions. [2024-11-13 13:48:15,773 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 219 transitions, 699 flow [2024-11-13 13:48:15,776 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 219 transitions, 691 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-13 13:48:15,778 INFO L231 Difference]: Finished difference. Result has 204 places, 200 transitions, 541 flow [2024-11-13 13:48:15,778 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=537, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=541, PETRI_PLACES=204, PETRI_TRANSITIONS=200} [2024-11-13 13:48:15,779 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, 2 predicate places. [2024-11-13 13:48:15,779 INFO L471 AbstractCegarLoop]: Abstraction has has 204 places, 200 transitions, 541 flow [2024-11-13 13:48:15,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 170.66666666666666) internal successors, (512), 3 states have internal predecessors, (512), 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) [2024-11-13 13:48:15,780 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-13 13:48:15,780 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:15,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 13:48:15,780 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2024-11-13 13:48:15,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:15,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1573969305, now seen corresponding path program 1 times [2024-11-13 13:48:15,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:15,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240650761] [2024-11-13 13:48:15,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:15,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:15,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:16,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:48:16,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:16,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240650761] [2024-11-13 13:48:16,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240650761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:16,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:16,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 13:48:16,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285052487] [2024-11-13 13:48:16,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:16,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:48:16,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:16,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:48:16,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:48:16,249 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 212 [2024-11-13 13:48:16,251 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 200 transitions, 541 flow. Second operand has 6 states, 6 states have (on average 174.5) internal successors, (1047), 6 states have internal predecessors, (1047), 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) [2024-11-13 13:48:16,251 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-13 13:48:16,251 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 212 [2024-11-13 13:48:16,251 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-13 13:48:16,539 INFO L124 PetriNetUnfolderBase]: 85/1277 cut-off events. [2024-11-13 13:48:16,539 INFO L125 PetriNetUnfolderBase]: For 217/218 co-relation queries the response was YES. [2024-11-13 13:48:16,541 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1983 conditions, 1277 events. 85/1277 cut-off events. For 217/218 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 7802 event pairs, 40 based on Foata normal form. 26/1265 useless extension candidates. Maximal degree in co-relation 1922. Up to 177 conditions per place. [2024-11-13 13:48:16,542 INFO L140 encePairwiseOnDemand]: 192/212 looper letters, 0 selfloop transitions, 0 changer transitions 201/201 dead transitions. [2024-11-13 13:48:16,543 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 201 transitions, 613 flow [2024-11-13 13:48:16,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:48:16,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2024-11-13 13:48:16,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 909 transitions. [2024-11-13 13:48:16,545 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8575471698113207 [2024-11-13 13:48:16,545 INFO L175 Difference]: Start difference. First operand has 204 places, 200 transitions, 541 flow. Second operand 5 states and 909 transitions. [2024-11-13 13:48:16,546 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 201 transitions, 613 flow [2024-11-13 13:48:16,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 201 transitions, 571 flow, removed 11 selfloop flow, removed 10 redundant places. [2024-11-13 13:48:16,550 INFO L231 Difference]: Finished difference. Result has 192 places, 0 transitions, 0 flow [2024-11-13 13:48:16,551 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=427, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=192, PETRI_TRANSITIONS=0} [2024-11-13 13:48:16,551 INFO L277 CegarLoopForPetriNet]: 202 programPoint places, -10 predicate places. [2024-11-13 13:48:16,551 INFO L471 AbstractCegarLoop]: Abstraction has has 192 places, 0 transitions, 0 flow [2024-11-13 13:48:16,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 174.5) internal successors, (1047), 6 states have internal predecessors, (1047), 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) [2024-11-13 13:48:16,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (20 of 21 remaining) [2024-11-13 13:48:16,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (19 of 21 remaining) [2024-11-13 13:48:16,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (18 of 21 remaining) [2024-11-13 13:48:16,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (17 of 21 remaining) [2024-11-13 13:48:16,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 21 remaining) [2024-11-13 13:48:16,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (15 of 21 remaining) [2024-11-13 13:48:16,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (14 of 21 remaining) [2024-11-13 13:48:16,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (13 of 21 remaining) [2024-11-13 13:48:16,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (12 of 21 remaining) [2024-11-13 13:48:16,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (11 of 21 remaining) [2024-11-13 13:48:16,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (10 of 21 remaining) [2024-11-13 13:48:16,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE (9 of 21 remaining) [2024-11-13 13:48:16,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONDATA_RACE (8 of 21 remaining) [2024-11-13 13:48:16,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (7 of 21 remaining) [2024-11-13 13:48:16,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 21 remaining) [2024-11-13 13:48:16,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (5 of 21 remaining) [2024-11-13 13:48:16,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (4 of 21 remaining) [2024-11-13 13:48:16,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (3 of 21 remaining) [2024-11-13 13:48:16,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr5ASSERT_VIOLATIONDATA_RACE (2 of 21 remaining) [2024-11-13 13:48:16,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr6ASSERT_VIOLATIONDATA_RACE (1 of 21 remaining) [2024-11-13 13:48:16,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr7ASSERT_VIOLATIONDATA_RACE (0 of 21 remaining) [2024-11-13 13:48:16,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 13:48:16,558 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:16,570 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-13 13:48:16,570 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:48:16,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:48:16 BasicIcfg [2024-11-13 13:48:16,575 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:48:16,575 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:48:16,575 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:48:16,575 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:48:16,577 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:48:10" (3/4) ... [2024-11-13 13:48:16,579 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 13:48:16,582 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2024-11-13 13:48:16,587 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-13 13:48:16,587 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 13:48:16,587 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 13:48:16,587 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 13:48:16,661 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febfb6bf-e12f-4024-acf2-4ca4f7bfb895/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 13:48:16,662 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febfb6bf-e12f-4024-acf2-4ca4f7bfb895/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 13:48:16,662 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:48:16,663 INFO L158 Benchmark]: Toolchain (without parser) took 8159.71ms. Allocated memory was 109.1MB in the beginning and 234.9MB in the end (delta: 125.8MB). Free memory was 82.5MB in the beginning and 112.0MB in the end (delta: -29.5MB). Peak memory consumption was 93.6MB. Max. memory is 16.1GB. [2024-11-13 13:48:16,663 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 41.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:48:16,663 INFO L158 Benchmark]: CACSL2BoogieTranslator took 653.62ms. Allocated memory is still 109.1MB. Free memory was 82.5MB in the beginning and 61.6MB in the end (delta: 20.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 13:48:16,664 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.11ms. Allocated memory is still 109.1MB. Free memory was 61.6MB in the beginning and 59.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:48:16,664 INFO L158 Benchmark]: Boogie Preprocessor took 26.44ms. Allocated memory is still 109.1MB. Free memory was 59.7MB in the beginning and 58.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:48:16,664 INFO L158 Benchmark]: RCFGBuilder took 771.48ms. Allocated memory is still 109.1MB. Free memory was 58.1MB in the beginning and 79.1MB in the end (delta: -21.0MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2024-11-13 13:48:16,665 INFO L158 Benchmark]: TraceAbstraction took 6570.75ms. Allocated memory was 109.1MB in the beginning and 234.9MB in the end (delta: 125.8MB). Free memory was 78.5MB in the beginning and 117.0MB in the end (delta: -38.5MB). Peak memory consumption was 168.9MB. Max. memory is 16.1GB. [2024-11-13 13:48:16,665 INFO L158 Benchmark]: Witness Printer took 86.84ms. Allocated memory is still 234.9MB. Free memory was 117.0MB in the beginning and 112.0MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:48:16,667 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 41.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 653.62ms. Allocated memory is still 109.1MB. Free memory was 82.5MB in the beginning and 61.6MB in the end (delta: 20.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.11ms. Allocated memory is still 109.1MB. Free memory was 61.6MB in the beginning and 59.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.44ms. Allocated memory is still 109.1MB. Free memory was 59.7MB in the beginning and 58.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 771.48ms. Allocated memory is still 109.1MB. Free memory was 58.1MB in the beginning and 79.1MB in the end (delta: -21.0MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * TraceAbstraction took 6570.75ms. Allocated memory was 109.1MB in the beginning and 234.9MB in the end (delta: 125.8MB). Free memory was 78.5MB in the beginning and 117.0MB in the end (delta: -38.5MB). Peak memory consumption was 168.9MB. Max. memory is 16.1GB. * Witness Printer took 86.84ms. Allocated memory is still 234.9MB. Free memory was 117.0MB in the beginning and 112.0MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 709]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 713]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 716]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 688]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 696]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 699]: 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, 278 locations, 21 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: 6.4s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 525 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 331 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 63 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 898 IncrementalHoareTripleChecker+Invalid, 961 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 63 mSolverCounterUnsat, 19 mSDtfsCounter, 898 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=545occurred in iteration=6, InterpolantAutomatonStates: 28, 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, 1.3s InterpolantComputationTime, 613 NumberOfCodeBlocks, 613 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 605 ConstructedInterpolants, 0 QuantifiedInterpolants, 1012 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 12 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-13 13:48:16,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febfb6bf-e12f-4024-acf2-4ca4f7bfb895/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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