./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92525d17-4815-4cc6-8d99-188da269ca29/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92525d17-4815-4cc6-8d99-188da269ca29/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92525d17-4815-4cc6-8d99-188da269ca29/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92525d17-4815-4cc6-8d99-188da269ca29/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92525d17-4815-4cc6-8d99-188da269ca29/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92525d17-4815-4cc6-8d99-188da269ca29/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 4a65477eb93c2031bed3e6d454d38e75e9833f23496d456d5084dd6ae5f38687 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:06:47,088 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:06:47,165 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92525d17-4815-4cc6-8d99-188da269ca29/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 22:06:47,170 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:06:47,171 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:06:47,203 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:06:47,204 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:06:47,205 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:06:47,206 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:06:47,206 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:06:47,207 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:06:47,208 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:06:47,209 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:06:47,210 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:06:47,210 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:06:47,211 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:06:47,212 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:06:47,212 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:06:47,213 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:06:47,214 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:06:47,214 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:06:47,215 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:06:47,216 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 22:06:47,217 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:06:47,217 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:06:47,218 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:06:47,219 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:06:47,220 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:06:47,220 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:06:47,221 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:06:47,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:06:47,222 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:06:47,223 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:06:47,224 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:06:47,224 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:06:47,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:06:47,226 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:06:47,226 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:06:47,227 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:06:47,227 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:06:47,228 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:06:47,229 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92525d17-4815-4cc6-8d99-188da269ca29/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92525d17-4815-4cc6-8d99-188da269ca29/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a65477eb93c2031bed3e6d454d38e75e9833f23496d456d5084dd6ae5f38687 [2023-11-06 22:06:47,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:06:47,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:06:47,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:06:47,639 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:06:47,640 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:06:47,641 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92525d17-4815-4cc6-8d99-188da269ca29/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i [2023-11-06 22:06:51,105 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:06:51,470 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:06:51,471 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92525d17-4815-4cc6-8d99-188da269ca29/sv-benchmarks/c/goblint-regression/13-privatized_69-refine-protected-loop-interval_true.i [2023-11-06 22:06:51,500 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92525d17-4815-4cc6-8d99-188da269ca29/bin/uautomizer-verify-WvqO1wxjHP/data/0561ced27/64ec0c76a8414985a969d56695f16416/FLAGd5f1febc1 [2023-11-06 22:06:51,519 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92525d17-4815-4cc6-8d99-188da269ca29/bin/uautomizer-verify-WvqO1wxjHP/data/0561ced27/64ec0c76a8414985a969d56695f16416 [2023-11-06 22:06:51,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:06:51,524 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:06:51,526 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:06:51,526 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:06:51,531 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:06:51,532 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:06:51" (1/1) ... [2023-11-06 22:06:51,533 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5527c0ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:51, skipping insertion in model container [2023-11-06 22:06:51,533 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:06:51" (1/1) ... [2023-11-06 22:06:51,585 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:06:52,098 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:06:52,113 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:06:52,180 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:06:52,234 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:06:52,235 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:52 WrapperNode [2023-11-06 22:06:52,235 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:06:52,236 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:06:52,236 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:06:52,236 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:06:52,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:52" (1/1) ... [2023-11-06 22:06:52,265 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:52" (1/1) ... [2023-11-06 22:06:52,303 INFO L138 Inliner]: procedures = 165, calls = 25, calls flagged for inlining = 8, calls inlined = 9, statements flattened = 129 [2023-11-06 22:06:52,304 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:06:52,304 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:06:52,304 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:06:52,304 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:06:52,313 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:52" (1/1) ... [2023-11-06 22:06:52,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:52" (1/1) ... [2023-11-06 22:06:52,317 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:52" (1/1) ... [2023-11-06 22:06:52,317 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:52" (1/1) ... [2023-11-06 22:06:52,324 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:52" (1/1) ... [2023-11-06 22:06:52,328 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:52" (1/1) ... [2023-11-06 22:06:52,331 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:52" (1/1) ... [2023-11-06 22:06:52,333 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:52" (1/1) ... [2023-11-06 22:06:52,337 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:06:52,338 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:06:52,338 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:06:52,338 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:06:52,339 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:52" (1/1) ... [2023-11-06 22:06:52,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:06:52,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92525d17-4815-4cc6-8d99-188da269ca29/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:06:52,391 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92525d17-4815-4cc6-8d99-188da269ca29/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:06:52,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92525d17-4815-4cc6-8d99-188da269ca29/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:06:52,452 INFO L130 BoogieDeclarations]: Found specification of procedure worker [2023-11-06 22:06:52,452 INFO L138 BoogieDeclarations]: Found implementation of procedure worker [2023-11-06 22:06:52,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:06:52,453 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-06 22:06:52,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:06:52,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:06:52,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:06:52,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:06:52,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:06:52,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:06:52,456 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 22:06:52,639 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:06:52,642 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:06:52,939 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:06:52,951 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:06:52,952 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-06 22:06:52,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:06:52 BoogieIcfgContainer [2023-11-06 22:06:52,955 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:06:52,959 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:06:52,959 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:06:52,964 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:06:52,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:06:51" (1/3) ... [2023-11-06 22:06:52,965 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a6ac4ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:06:52, skipping insertion in model container [2023-11-06 22:06:52,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:06:52" (2/3) ... [2023-11-06 22:06:52,966 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a6ac4ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:06:52, skipping insertion in model container [2023-11-06 22:06:52,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:06:52" (3/3) ... [2023-11-06 22:06:52,968 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_69-refine-protected-loop-interval_true.i [2023-11-06 22:06:52,980 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:06:53,002 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:06:53,003 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-11-06 22:06:53,003 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:06:53,119 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-06 22:06:53,173 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 149 places, 157 transitions, 318 flow [2023-11-06 22:06:53,276 INFO L124 PetriNetUnfolderBase]: 12/156 cut-off events. [2023-11-06 22:06:53,278 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:06:53,290 INFO L83 FinitePrefix]: Finished finitePrefix Result has 160 conditions, 156 events. 12/156 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 338 event pairs, 0 based on Foata normal form. 0/134 useless extension candidates. Maximal degree in co-relation 118. Up to 2 conditions per place. [2023-11-06 22:06:53,290 INFO L82 GeneralOperation]: Start removeDead. Operand has 149 places, 157 transitions, 318 flow [2023-11-06 22:06:53,307 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 148 places, 156 transitions, 315 flow [2023-11-06 22:06:53,312 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:06:53,327 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 148 places, 156 transitions, 315 flow [2023-11-06 22:06:53,331 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 148 places, 156 transitions, 315 flow [2023-11-06 22:06:53,332 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 148 places, 156 transitions, 315 flow [2023-11-06 22:06:53,383 INFO L124 PetriNetUnfolderBase]: 12/156 cut-off events. [2023-11-06 22:06:53,383 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:06:53,386 INFO L83 FinitePrefix]: Finished finitePrefix Result has 160 conditions, 156 events. 12/156 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 340 event pairs, 0 based on Foata normal form. 0/134 useless extension candidates. Maximal degree in co-relation 118. Up to 2 conditions per place. [2023-11-06 22:06:53,393 INFO L119 LiptonReduction]: Number of co-enabled transitions 6450 [2023-11-06 22:06:58,101 INFO L134 LiptonReduction]: Checked pairs total: 21501 [2023-11-06 22:06:58,101 INFO L136 LiptonReduction]: Total number of compositions: 131 [2023-11-06 22:06:58,121 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:06:58,130 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@31716d6c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:06:58,131 INFO L358 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2023-11-06 22:06:58,133 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 22:06:58,134 INFO L124 PetriNetUnfolderBase]: 0/1 cut-off events. [2023-11-06 22:06:58,134 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:06:58,134 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:06:58,135 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-06 22:06:58,136 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2023-11-06 22:06:58,143 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:58,143 INFO L85 PathProgramCache]: Analyzing trace with hash 607, now seen corresponding path program 1 times [2023-11-06 22:06:58,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:58,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822837710] [2023-11-06 22:06:58,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:58,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:58,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:06:58,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:58,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822837710] [2023-11-06 22:06:58,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822837710] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:58,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:58,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-06 22:06:58,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736791969] [2023-11-06 22:06:58,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:58,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:06:58,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:58,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:06:58,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:06:58,393 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 288 [2023-11-06 22:06:58,396 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 57 transitions, 117 flow. Second operand has 2 states, 2 states have (on average 146.5) internal successors, (293), 2 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:58,397 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:06:58,397 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 288 [2023-11-06 22:06:58,398 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:06:58,496 INFO L124 PetriNetUnfolderBase]: 78/256 cut-off events. [2023-11-06 22:06:58,496 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:06:58,498 INFO L83 FinitePrefix]: Finished finitePrefix Result has 395 conditions, 256 events. 78/256 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1144 event pairs, 41 based on Foata normal form. 20/211 useless extension candidates. Maximal degree in co-relation 386. Up to 135 conditions per place. [2023-11-06 22:06:58,501 INFO L140 encePairwiseOnDemand]: 282/288 looper letters, 19 selfloop transitions, 0 changer transitions 0/51 dead transitions. [2023-11-06 22:06:58,502 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 51 transitions, 143 flow [2023-11-06 22:06:58,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:06:58,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-06 22:06:58,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 317 transitions. [2023-11-06 22:06:58,520 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5503472222222222 [2023-11-06 22:06:58,521 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 317 transitions. [2023-11-06 22:06:58,522 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 317 transitions. [2023-11-06 22:06:58,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:06:58,527 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 317 transitions. [2023-11-06 22:06:58,536 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 158.5) internal successors, (317), 2 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:58,544 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 288.0) internal successors, (864), 3 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:58,545 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 288.0) internal successors, (864), 3 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:58,548 INFO L175 Difference]: Start difference. First operand has 52 places, 57 transitions, 117 flow. Second operand 2 states and 317 transitions. [2023-11-06 22:06:58,549 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 51 transitions, 143 flow [2023-11-06 22:06:58,552 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 51 transitions, 142 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:06:58,555 INFO L231 Difference]: Finished difference. Result has 50 places, 51 transitions, 104 flow [2023-11-06 22:06:58,558 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=288, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=104, PETRI_PLACES=50, PETRI_TRANSITIONS=51} [2023-11-06 22:06:58,565 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, -2 predicate places. [2023-11-06 22:06:58,565 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 51 transitions, 104 flow [2023-11-06 22:06:58,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 146.5) internal successors, (293), 2 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:58,566 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:06:58,567 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:06:58,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:06:58,568 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2023-11-06 22:06:58,568 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:58,568 INFO L85 PathProgramCache]: Analyzing trace with hash 597213161, now seen corresponding path program 1 times [2023-11-06 22:06:58,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:58,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888414631] [2023-11-06 22:06:58,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:58,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:58,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:58,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:06:58,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:58,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888414631] [2023-11-06 22:06:58,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888414631] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:58,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:58,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:06:58,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788594665] [2023-11-06 22:06:58,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:58,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:06:58,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:58,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:06:58,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:58,821 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 288 [2023-11-06 22:06:58,823 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 51 transitions, 104 flow. Second operand has 3 states, 3 states have (on average 124.0) internal successors, (372), 3 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:58,823 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:06:58,823 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 288 [2023-11-06 22:06:58,823 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:06:59,080 INFO L124 PetriNetUnfolderBase]: 400/926 cut-off events. [2023-11-06 22:06:59,081 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:06:59,086 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1738 conditions, 926 events. 400/926 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 4587 event pairs, 99 based on Foata normal form. 0/793 useless extension candidates. Maximal degree in co-relation 1735. Up to 554 conditions per place. [2023-11-06 22:06:59,094 INFO L140 encePairwiseOnDemand]: 265/288 looper letters, 55 selfloop transitions, 16 changer transitions 0/82 dead transitions. [2023-11-06 22:06:59,094 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 82 transitions, 308 flow [2023-11-06 22:06:59,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:06:59,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:06:59,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 444 transitions. [2023-11-06 22:06:59,102 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5138888888888888 [2023-11-06 22:06:59,102 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 444 transitions. [2023-11-06 22:06:59,103 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 444 transitions. [2023-11-06 22:06:59,103 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:06:59,104 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 444 transitions. [2023-11-06 22:06:59,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 148.0) internal successors, (444), 3 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:59,112 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 288.0) internal successors, (1152), 4 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:59,113 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 288.0) internal successors, (1152), 4 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:59,114 INFO L175 Difference]: Start difference. First operand has 50 places, 51 transitions, 104 flow. Second operand 3 states and 444 transitions. [2023-11-06 22:06:59,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 82 transitions, 308 flow [2023-11-06 22:06:59,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 82 transitions, 308 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:06:59,120 INFO L231 Difference]: Finished difference. Result has 54 places, 67 transitions, 246 flow [2023-11-06 22:06:59,123 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=288, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=246, PETRI_PLACES=54, PETRI_TRANSITIONS=67} [2023-11-06 22:06:59,125 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, 2 predicate places. [2023-11-06 22:06:59,125 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 67 transitions, 246 flow [2023-11-06 22:06:59,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.0) internal successors, (372), 3 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:59,126 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:06:59,126 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:59,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:06:59,129 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2023-11-06 22:06:59,130 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:59,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1271758444, now seen corresponding path program 1 times [2023-11-06 22:06:59,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:59,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542886942] [2023-11-06 22:06:59,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:59,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:59,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:59,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:06:59,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:59,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542886942] [2023-11-06 22:06:59,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542886942] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:59,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:59,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:06:59,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878020191] [2023-11-06 22:06:59,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:59,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:06:59,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:59,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:06:59,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:59,346 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 288 [2023-11-06 22:06:59,347 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 67 transitions, 246 flow. Second operand has 3 states, 3 states have (on average 133.0) internal successors, (399), 3 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:59,348 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:06:59,348 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 288 [2023-11-06 22:06:59,348 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:06:59,523 INFO L124 PetriNetUnfolderBase]: 379/904 cut-off events. [2023-11-06 22:06:59,523 INFO L125 PetriNetUnfolderBase]: For 280/298 co-relation queries the response was YES. [2023-11-06 22:06:59,526 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2072 conditions, 904 events. 379/904 cut-off events. For 280/298 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 4550 event pairs, 119 based on Foata normal form. 10/780 useless extension candidates. Maximal degree in co-relation 2067. Up to 588 conditions per place. [2023-11-06 22:06:59,533 INFO L140 encePairwiseOnDemand]: 278/288 looper letters, 42 selfloop transitions, 16 changer transitions 0/89 dead transitions. [2023-11-06 22:06:59,533 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 89 transitions, 442 flow [2023-11-06 22:06:59,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:06:59,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:06:59,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 434 transitions. [2023-11-06 22:06:59,537 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5023148148148148 [2023-11-06 22:06:59,537 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 434 transitions. [2023-11-06 22:06:59,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 434 transitions. [2023-11-06 22:06:59,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:06:59,538 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 434 transitions. [2023-11-06 22:06:59,540 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 144.66666666666666) internal successors, (434), 3 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:59,543 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 288.0) internal successors, (1152), 4 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:59,545 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 288.0) internal successors, (1152), 4 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:59,545 INFO L175 Difference]: Start difference. First operand has 54 places, 67 transitions, 246 flow. Second operand 3 states and 434 transitions. [2023-11-06 22:06:59,545 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 89 transitions, 442 flow [2023-11-06 22:06:59,552 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 89 transitions, 398 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-06 22:06:59,556 INFO L231 Difference]: Finished difference. Result has 56 places, 81 transitions, 360 flow [2023-11-06 22:06:59,556 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=288, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=360, PETRI_PLACES=56, PETRI_TRANSITIONS=81} [2023-11-06 22:06:59,557 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, 4 predicate places. [2023-11-06 22:06:59,558 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 81 transitions, 360 flow [2023-11-06 22:06:59,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 133.0) internal successors, (399), 3 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:59,559 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:06:59,559 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:59,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:06:59,560 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting workerErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2023-11-06 22:06:59,560 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:59,561 INFO L85 PathProgramCache]: Analyzing trace with hash -25754332, now seen corresponding path program 1 times [2023-11-06 22:06:59,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:59,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875608049] [2023-11-06 22:06:59,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:59,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:59,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:06:59,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:59,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875608049] [2023-11-06 22:06:59,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875608049] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:59,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:59,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:06:59,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305080817] [2023-11-06 22:06:59,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:59,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:06:59,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:59,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:06:59,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:06:59,742 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 288 [2023-11-06 22:06:59,743 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 81 transitions, 360 flow. Second operand has 3 states, 3 states have (on average 141.33333333333334) internal successors, (424), 3 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:59,743 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:06:59,744 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 288 [2023-11-06 22:06:59,744 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:06:59,822 INFO L124 PetriNetUnfolderBase]: 33/138 cut-off events. [2023-11-06 22:06:59,822 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES. [2023-11-06 22:06:59,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 297 conditions, 138 events. 33/138 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 433 event pairs, 3 based on Foata normal form. 10/132 useless extension candidates. Maximal degree in co-relation 291. Up to 54 conditions per place. [2023-11-06 22:06:59,824 INFO L140 encePairwiseOnDemand]: 282/288 looper letters, 15 selfloop transitions, 6 changer transitions 1/47 dead transitions. [2023-11-06 22:06:59,824 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 47 transitions, 200 flow [2023-11-06 22:06:59,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:06:59,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:06:59,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 440 transitions. [2023-11-06 22:06:59,828 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5092592592592593 [2023-11-06 22:06:59,828 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 440 transitions. [2023-11-06 22:06:59,828 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 440 transitions. [2023-11-06 22:06:59,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:06:59,829 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 440 transitions. [2023-11-06 22:06:59,831 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 146.66666666666666) internal successors, (440), 3 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:59,834 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 288.0) internal successors, (1152), 4 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:59,836 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 288.0) internal successors, (1152), 4 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:59,836 INFO L175 Difference]: Start difference. First operand has 56 places, 81 transitions, 360 flow. Second operand 3 states and 440 transitions. [2023-11-06 22:06:59,836 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 47 transitions, 200 flow [2023-11-06 22:06:59,838 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 47 transitions, 152 flow, removed 20 selfloop flow, removed 4 redundant places. [2023-11-06 22:06:59,840 INFO L231 Difference]: Finished difference. Result has 46 places, 44 transitions, 114 flow [2023-11-06 22:06:59,840 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=288, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=45, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=114, PETRI_PLACES=46, PETRI_TRANSITIONS=44} [2023-11-06 22:06:59,841 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, -6 predicate places. [2023-11-06 22:06:59,842 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 44 transitions, 114 flow [2023-11-06 22:06:59,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 141.33333333333334) internal successors, (424), 3 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:06:59,843 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:06:59,843 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:59,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:06:59,844 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2023-11-06 22:06:59,844 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:59,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1449304996, now seen corresponding path program 1 times [2023-11-06 22:06:59,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:59,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132406907] [2023-11-06 22:06:59,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:59,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:59,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:59,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:06:59,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:59,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132406907] [2023-11-06 22:06:59,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132406907] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:59,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:59,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:06:59,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270007468] [2023-11-06 22:06:59,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:59,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:06:59,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:59,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:06:59,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:07:00,024 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 139 out of 288 [2023-11-06 22:07:00,025 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 44 transitions, 114 flow. Second operand has 3 states, 3 states have (on average 141.66666666666666) internal successors, (425), 3 states have internal predecessors, (425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:00,026 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:07:00,026 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 139 of 288 [2023-11-06 22:07:00,026 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:07:00,095 INFO L124 PetriNetUnfolderBase]: 27/119 cut-off events. [2023-11-06 22:07:00,095 INFO L125 PetriNetUnfolderBase]: For 7/7 co-relation queries the response was YES. [2023-11-06 22:07:00,096 INFO L83 FinitePrefix]: Finished finitePrefix Result has 236 conditions, 119 events. 27/119 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 245 event pairs, 14 based on Foata normal form. 2/115 useless extension candidates. Maximal degree in co-relation 231. Up to 56 conditions per place. [2023-11-06 22:07:00,097 INFO L140 encePairwiseOnDemand]: 283/288 looper letters, 22 selfloop transitions, 2 changer transitions 7/50 dead transitions. [2023-11-06 22:07:00,097 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 50 transitions, 188 flow [2023-11-06 22:07:00,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:07:00,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:07:00,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 446 transitions. [2023-11-06 22:07:00,100 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5162037037037037 [2023-11-06 22:07:00,101 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 446 transitions. [2023-11-06 22:07:00,101 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 446 transitions. [2023-11-06 22:07:00,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:07:00,102 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 446 transitions. [2023-11-06 22:07:00,104 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 148.66666666666666) internal successors, (446), 3 states have internal predecessors, (446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:00,107 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 288.0) internal successors, (1152), 4 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:00,108 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 288.0) internal successors, (1152), 4 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:00,109 INFO L175 Difference]: Start difference. First operand has 46 places, 44 transitions, 114 flow. Second operand 3 states and 446 transitions. [2023-11-06 22:07:00,109 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 50 transitions, 188 flow [2023-11-06 22:07:00,110 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 50 transitions, 180 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:07:00,112 INFO L231 Difference]: Finished difference. Result has 47 places, 41 transitions, 114 flow [2023-11-06 22:07:00,112 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=288, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=114, PETRI_PLACES=47, PETRI_TRANSITIONS=41} [2023-11-06 22:07:00,113 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, -5 predicate places. [2023-11-06 22:07:00,114 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 41 transitions, 114 flow [2023-11-06 22:07:00,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 141.66666666666666) internal successors, (425), 3 states have internal predecessors, (425), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:00,115 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:07:00,115 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:07:00,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:07:00,116 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting workerErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 14 more)] === [2023-11-06 22:07:00,116 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:07:00,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1535917268, now seen corresponding path program 1 times [2023-11-06 22:07:00,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:07:00,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998054113] [2023-11-06 22:07:00,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:07:00,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:00,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:07:00,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:07:00,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:07:00,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998054113] [2023-11-06 22:07:00,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998054113] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:07:00,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:07:00,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:07:00,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716389219] [2023-11-06 22:07:00,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:07:00,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:07:00,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:07:00,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:07:00,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:07:00,258 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 130 out of 288 [2023-11-06 22:07:00,260 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 41 transitions, 114 flow. Second operand has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:00,260 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:07:00,260 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 130 of 288 [2023-11-06 22:07:00,260 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:07:00,320 INFO L124 PetriNetUnfolderBase]: 27/116 cut-off events. [2023-11-06 22:07:00,320 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2023-11-06 22:07:00,321 INFO L83 FinitePrefix]: Finished finitePrefix Result has 240 conditions, 116 events. 27/116 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 223 event pairs, 15 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 233. Up to 80 conditions per place. [2023-11-06 22:07:00,321 INFO L140 encePairwiseOnDemand]: 285/288 looper letters, 0 selfloop transitions, 0 changer transitions 41/41 dead transitions. [2023-11-06 22:07:00,321 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 41 transitions, 168 flow [2023-11-06 22:07:00,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:07:00,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:07:00,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 415 transitions. [2023-11-06 22:07:00,325 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48032407407407407 [2023-11-06 22:07:00,325 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 415 transitions. [2023-11-06 22:07:00,325 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 415 transitions. [2023-11-06 22:07:00,326 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:07:00,326 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 415 transitions. [2023-11-06 22:07:00,328 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 138.33333333333334) internal successors, (415), 3 states have internal predecessors, (415), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:00,331 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 288.0) internal successors, (1152), 4 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:00,333 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 288.0) internal successors, (1152), 4 states have internal predecessors, (1152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:00,333 INFO L175 Difference]: Start difference. First operand has 47 places, 41 transitions, 114 flow. Second operand 3 states and 415 transitions. [2023-11-06 22:07:00,333 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 41 transitions, 168 flow [2023-11-06 22:07:00,334 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 41 transitions, 166 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:07:00,335 INFO L231 Difference]: Finished difference. Result has 44 places, 0 transitions, 0 flow [2023-11-06 22:07:00,335 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=288, PETRI_DIFFERENCE_MINUEND_FLOW=110, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=44, PETRI_TRANSITIONS=0} [2023-11-06 22:07:00,337 INFO L281 CegarLoopForPetriNet]: 52 programPoint places, -8 predicate places. [2023-11-06 22:07:00,337 INFO L495 AbstractCegarLoop]: Abstraction has has 44 places, 0 transitions, 0 flow [2023-11-06 22:07:00,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.33333333333334) internal successors, (409), 3 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:07:00,341 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (16 of 17 remaining) [2023-11-06 22:07:00,342 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (15 of 17 remaining) [2023-11-06 22:07:00,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (14 of 17 remaining) [2023-11-06 22:07:00,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (13 of 17 remaining) [2023-11-06 22:07:00,343 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 17 remaining) [2023-11-06 22:07:00,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONDATA_RACE (11 of 17 remaining) [2023-11-06 22:07:00,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr2ASSERT_VIOLATIONDATA_RACE (10 of 17 remaining) [2023-11-06 22:07:00,344 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONDATA_RACE (9 of 17 remaining) [2023-11-06 22:07:00,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr3ASSERT_VIOLATIONDATA_RACE (8 of 17 remaining) [2023-11-06 22:07:00,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr4ASSERT_VIOLATIONDATA_RACE (7 of 17 remaining) [2023-11-06 22:07:00,345 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr5ASSERT_VIOLATIONDATA_RACE (6 of 17 remaining) [2023-11-06 22:07:00,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr0ASSERT_VIOLATIONDATA_RACE (5 of 17 remaining) [2023-11-06 22:07:00,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr2ASSERT_VIOLATIONDATA_RACE (4 of 17 remaining) [2023-11-06 22:07:00,346 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr1ASSERT_VIOLATIONDATA_RACE (3 of 17 remaining) [2023-11-06 22:07:00,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr3ASSERT_VIOLATIONDATA_RACE (2 of 17 remaining) [2023-11-06 22:07:00,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr4ASSERT_VIOLATIONDATA_RACE (1 of 17 remaining) [2023-11-06 22:07:00,347 INFO L805 garLoopResultBuilder]: Registering result SAFE for location workerErr5ASSERT_VIOLATIONDATA_RACE (0 of 17 remaining) [2023-11-06 22:07:00,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:07:00,348 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-06 22:07:00,355 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 22:07:00,355 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:07:00,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:07:00 BasicIcfg [2023-11-06 22:07:00,361 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:07:00,362 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:07:00,362 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:07:00,362 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:07:00,363 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:06:52" (3/4) ... [2023-11-06 22:07:00,365 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:07:00,370 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure worker [2023-11-06 22:07:00,377 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-06 22:07:00,377 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-06 22:07:00,378 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:07:00,378 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:07:00,442 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92525d17-4815-4cc6-8d99-188da269ca29/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:07:00,443 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92525d17-4815-4cc6-8d99-188da269ca29/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:07:00,443 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:07:00,444 INFO L158 Benchmark]: Toolchain (without parser) took 8919.54ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 127.9MB in the beginning and 139.0MB in the end (delta: -11.1MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2023-11-06 22:07:00,444 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 68.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:07:00,445 INFO L158 Benchmark]: CACSL2BoogieTranslator took 709.19ms. Allocated memory is still 174.1MB. Free memory was 127.9MB in the beginning and 108.0MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-06 22:07:00,445 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.02ms. Allocated memory is still 174.1MB. Free memory was 108.0MB in the beginning and 105.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:07:00,446 INFO L158 Benchmark]: Boogie Preprocessor took 32.70ms. Allocated memory is still 174.1MB. Free memory was 105.9MB in the beginning and 104.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:07:00,446 INFO L158 Benchmark]: RCFGBuilder took 617.75ms. Allocated memory is still 174.1MB. Free memory was 104.4MB in the beginning and 88.1MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 22:07:00,447 INFO L158 Benchmark]: TraceAbstraction took 7402.00ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 87.6MB in the beginning and 142.2MB in the end (delta: -54.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:07:00,447 INFO L158 Benchmark]: Witness Printer took 81.37ms. Allocated memory is still 209.7MB. Free memory was 142.2MB in the beginning and 139.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:07:00,450 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 117.4MB. Free memory is still 68.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 709.19ms. Allocated memory is still 174.1MB. Free memory was 127.9MB in the beginning and 108.0MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.02ms. Allocated memory is still 174.1MB. Free memory was 108.0MB in the beginning and 105.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.70ms. Allocated memory is still 174.1MB. Free memory was 105.9MB in the beginning and 104.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 617.75ms. Allocated memory is still 174.1MB. Free memory was 104.4MB in the beginning and 88.1MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7402.00ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 87.6MB in the beginning and 142.2MB in the end (delta: -54.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 81.37ms. Allocated memory is still 209.7MB. Free memory was 142.2MB in the beginning and 139.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.8s, 148 PlacesBefore, 52 PlacesAfterwards, 156 TransitionsBefore, 57 TransitionsAfterwards, 6450 CoEnabledTransitionPairs, 6 FixpointIterations, 38 TrivialSequentialCompositions, 60 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 30 ConcurrentYvCompositions, 3 ChoiceCompositions, 131 TotalNumberOfCompositions, 21501 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 8572, independent: 8015, independent conditional: 0, independent unconditional: 8015, dependent: 557, dependent conditional: 0, dependent unconditional: 557, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3523, independent: 3428, independent conditional: 0, independent unconditional: 3428, dependent: 95, dependent conditional: 0, dependent unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 8572, independent: 4587, independent conditional: 0, independent unconditional: 4587, dependent: 462, dependent conditional: 0, dependent unconditional: 462, unknown: 3523, unknown conditional: 0, unknown unconditional: 3523] , Statistics on independence cache: Total cache size (in pairs): 380, Positive cache size: 325, Positive conditional cache size: 0, Positive unconditional cache size: 325, Negative cache size: 55, Negative conditional cache size: 0, Negative unconditional cache size: 55, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 703]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 711]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 722]: 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: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: 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, 214 locations, 17 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: 7.2s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 307 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 109 mSDsluCounter, 96 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 398 IncrementalHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 96 mSDtfsCounter, 398 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=360occurred in iteration=3, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 80 ConstructedInterpolants, 0 QuantifiedInterpolants, 110 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 10 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-06 22:07:00,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_92525d17-4815-4cc6-8d99-188da269ca29/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE