./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc 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_8a51f593-5e44-4fca-a4f3-0181a0beb1c2/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a51f593-5e44-4fca-a4f3-0181a0beb1c2/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a51f593-5e44-4fca-a4f3-0181a0beb1c2/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a51f593-5e44-4fca-a4f3-0181a0beb1c2/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a51f593-5e44-4fca-a4f3-0181a0beb1c2/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a51f593-5e44-4fca-a4f3-0181a0beb1c2/bin/uautomizer-verify-BQ2R08f2Ya --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 9f8eb81fe04afedf177636b6e0b2ff7ec90c549122dc143b3ac2872279b10356 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:00:10,297 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:00:10,362 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a51f593-5e44-4fca-a4f3-0181a0beb1c2/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 06:00:10,366 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:00:10,367 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:00:10,391 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:00:10,391 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:00:10,392 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:00:10,393 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:00:10,393 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:00:10,394 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:00:10,394 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:00:10,395 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:00:10,395 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:00:10,396 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:00:10,396 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:00:10,397 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:00:10,397 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:00:10,398 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:00:10,398 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:00:10,398 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:00:10,399 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:00:10,400 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 06:00:10,400 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 06:00:10,400 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:00:10,401 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:00:10,401 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:00:10,402 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:00:10,402 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:00:10,403 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:00:10,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:00:10,403 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:00:10,404 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:00:10,404 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:00:10,404 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:00:10,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:00:10,404 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:00:10,405 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:00:10,405 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:00:10,405 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:00:10,405 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:00:10,405 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_8a51f593-5e44-4fca-a4f3-0181a0beb1c2/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a51f593-5e44-4fca-a4f3-0181a0beb1c2/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f8eb81fe04afedf177636b6e0b2ff7ec90c549122dc143b3ac2872279b10356 [2023-11-29 06:00:10,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:00:10,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:00:10,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:00:10,650 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:00:10,650 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:00:10,651 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a51f593-5e44-4fca-a4f3-0181a0beb1c2/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i [2023-11-29 06:00:13,459 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:00:13,681 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:00:13,682 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a51f593-5e44-4fca-a4f3-0181a0beb1c2/sv-benchmarks/c/goblint-regression/13-privatized_30-traces-oplus-vs-meet_true.i [2023-11-29 06:00:13,696 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a51f593-5e44-4fca-a4f3-0181a0beb1c2/bin/uautomizer-verify-BQ2R08f2Ya/data/a53a55199/0010d811ba2c463a955e736ffa44cef7/FLAGa543feac0 [2023-11-29 06:00:13,710 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a51f593-5e44-4fca-a4f3-0181a0beb1c2/bin/uautomizer-verify-BQ2R08f2Ya/data/a53a55199/0010d811ba2c463a955e736ffa44cef7 [2023-11-29 06:00:13,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:00:13,714 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:00:13,715 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:00:13,715 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:00:13,720 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:00:13,721 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:00:13" (1/1) ... [2023-11-29 06:00:13,722 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ae293a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:00:13, skipping insertion in model container [2023-11-29 06:00:13,722 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:00:13" (1/1) ... [2023-11-29 06:00:13,766 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:00:14,060 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:00:14,074 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:00:14,116 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:00:14,156 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:00:14,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:00:14 WrapperNode [2023-11-29 06:00:14,157 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:00:14,158 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:00:14,158 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:00:14,158 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:00:14,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:00:14" (1/1) ... [2023-11-29 06:00:14,179 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:00:14" (1/1) ... [2023-11-29 06:00:14,201 INFO L138 Inliner]: procedures = 163, calls = 37, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 78 [2023-11-29 06:00:14,202 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:00:14,203 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:00:14,203 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:00:14,203 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:00:14,212 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:00:14" (1/1) ... [2023-11-29 06:00:14,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:00:14" (1/1) ... [2023-11-29 06:00:14,216 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:00:14" (1/1) ... [2023-11-29 06:00:14,216 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:00:14" (1/1) ... [2023-11-29 06:00:14,222 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:00:14" (1/1) ... [2023-11-29 06:00:14,225 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:00:14" (1/1) ... [2023-11-29 06:00:14,227 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:00:14" (1/1) ... [2023-11-29 06:00:14,228 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:00:14" (1/1) ... [2023-11-29 06:00:14,231 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:00:14,232 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:00:14,233 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:00:14,233 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:00:14,234 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:00:14" (1/1) ... [2023-11-29 06:00:14,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:00:14,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a51f593-5e44-4fca-a4f3-0181a0beb1c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:00:14,266 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a51f593-5e44-4fca-a4f3-0181a0beb1c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:00:14,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a51f593-5e44-4fca-a4f3-0181a0beb1c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:00:14,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 06:00:14,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 06:00:14,300 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-29 06:00:14,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:00:14,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 06:00:14,301 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-29 06:00:14,301 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-29 06:00:14,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 06:00:14,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 06:00:14,302 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-29 06:00:14,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:00:14,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:00:14,303 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 06:00:14,434 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:00:14,436 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:00:14,629 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:00:14,661 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:00:14,661 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 06:00:14,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:00:14 BoogieIcfgContainer [2023-11-29 06:00:14,663 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:00:14,665 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:00:14,666 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:00:14,669 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:00:14,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:00:13" (1/3) ... [2023-11-29 06:00:14,670 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d0681c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:00:14, skipping insertion in model container [2023-11-29 06:00:14,670 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:00:14" (2/3) ... [2023-11-29 06:00:14,670 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d0681c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:00:14, skipping insertion in model container [2023-11-29 06:00:14,670 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:00:14" (3/3) ... [2023-11-29 06:00:14,672 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_30-traces-oplus-vs-meet_true.i [2023-11-29 06:00:14,680 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 06:00:14,688 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:00:14,688 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-11-29 06:00:14,688 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 06:00:14,736 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-29 06:00:14,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 115 places, 115 transitions, 237 flow [2023-11-29 06:00:14,806 INFO L124 PetriNetUnfolderBase]: 4/114 cut-off events. [2023-11-29 06:00:14,806 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-29 06:00:14,810 INFO L83 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 114 events. 4/114 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 105 event pairs, 0 based on Foata normal form. 0/105 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2023-11-29 06:00:14,810 INFO L82 GeneralOperation]: Start removeDead. Operand has 115 places, 115 transitions, 237 flow [2023-11-29 06:00:14,814 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 106 places, 106 transitions, 215 flow [2023-11-29 06:00:14,823 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:00:14,829 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@843a72c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:00:14,829 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-29 06:00:14,837 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 06:00:14,837 INFO L124 PetriNetUnfolderBase]: 0/25 cut-off events. [2023-11-29 06:00:14,837 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 06:00:14,838 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:00:14,838 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] [2023-11-29 06:00:14,839 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 06:00:14,844 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:00:14,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1814517754, now seen corresponding path program 1 times [2023-11-29 06:00:14,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:00:14,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640105530] [2023-11-29 06:00:14,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:00:14,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:00:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:00:15,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:00:15,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:00:15,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640105530] [2023-11-29 06:00:15,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640105530] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:00:15,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:00:15,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:00:15,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111190438] [2023-11-29 06:00:15,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:00:15,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:00:15,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:00:15,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:00:15,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:00:15,132 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 115 [2023-11-29 06:00:15,135 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 106 transitions, 215 flow. Second operand has 3 states, 3 states have (on average 89.66666666666667) internal successors, (269), 3 states have internal predecessors, (269), 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) [2023-11-29 06:00:15,135 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:00:15,135 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 115 [2023-11-29 06:00:15,137 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:00:15,281 INFO L124 PetriNetUnfolderBase]: 67/479 cut-off events. [2023-11-29 06:00:15,281 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-29 06:00:15,284 INFO L83 FinitePrefix]: Finished finitePrefix Result has 646 conditions, 479 events. 67/479 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2591 event pairs, 17 based on Foata normal form. 32/467 useless extension candidates. Maximal degree in co-relation 599. Up to 82 conditions per place. [2023-11-29 06:00:15,288 INFO L140 encePairwiseOnDemand]: 104/115 looper letters, 24 selfloop transitions, 5 changer transitions 3/106 dead transitions. [2023-11-29 06:00:15,288 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 106 transitions, 273 flow [2023-11-29 06:00:15,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:00:15,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:00:15,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 304 transitions. [2023-11-29 06:00:15,303 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.881159420289855 [2023-11-29 06:00:15,303 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 304 transitions. [2023-11-29 06:00:15,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 304 transitions. [2023-11-29 06:00:15,306 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:00:15,308 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 304 transitions. [2023-11-29 06:00:15,312 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 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) [2023-11-29 06:00:15,341 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 115.0) internal successors, (460), 4 states have internal predecessors, (460), 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) [2023-11-29 06:00:15,342 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 115.0) internal successors, (460), 4 states have internal predecessors, (460), 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) [2023-11-29 06:00:15,343 INFO L175 Difference]: Start difference. First operand has 106 places, 106 transitions, 215 flow. Second operand 3 states and 304 transitions. [2023-11-29 06:00:15,345 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 106 transitions, 273 flow [2023-11-29 06:00:15,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 106 transitions, 272 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 06:00:15,353 INFO L231 Difference]: Finished difference. Result has 102 places, 95 transitions, 220 flow [2023-11-29 06:00:15,355 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=220, PETRI_PLACES=102, PETRI_TRANSITIONS=95} [2023-11-29 06:00:15,358 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, -4 predicate places. [2023-11-29 06:00:15,359 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 95 transitions, 220 flow [2023-11-29 06:00:15,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.66666666666667) internal successors, (269), 3 states have internal predecessors, (269), 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) [2023-11-29 06:00:15,359 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:00:15,359 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:00:15,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 06:00:15,360 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 06:00:15,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:00:15,361 INFO L85 PathProgramCache]: Analyzing trace with hash 732636620, now seen corresponding path program 1 times [2023-11-29 06:00:15,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:00:15,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58462788] [2023-11-29 06:00:15,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:00:15,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:00:15,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:00:15,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:00:15,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:00:15,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58462788] [2023-11-29 06:00:15,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58462788] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:00:15,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:00:15,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:00:15,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166025054] [2023-11-29 06:00:15,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:00:15,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:00:15,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:00:15,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:00:15,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:00:15,488 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 115 [2023-11-29 06:00:15,488 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 95 transitions, 220 flow. Second operand has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 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) [2023-11-29 06:00:15,488 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:00:15,489 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 115 [2023-11-29 06:00:15,489 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:00:15,605 INFO L124 PetriNetUnfolderBase]: 84/503 cut-off events. [2023-11-29 06:00:15,605 INFO L125 PetriNetUnfolderBase]: For 57/60 co-relation queries the response was YES. [2023-11-29 06:00:15,608 INFO L83 FinitePrefix]: Finished finitePrefix Result has 774 conditions, 503 events. 84/503 cut-off events. For 57/60 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 2894 event pairs, 56 based on Foata normal form. 0/461 useless extension candidates. Maximal degree in co-relation 728. Up to 165 conditions per place. [2023-11-29 06:00:15,610 INFO L140 encePairwiseOnDemand]: 110/115 looper letters, 24 selfloop transitions, 4 changer transitions 0/102 dead transitions. [2023-11-29 06:00:15,611 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 102 transitions, 294 flow [2023-11-29 06:00:15,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:00:15,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:00:15,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 294 transitions. [2023-11-29 06:00:15,614 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8521739130434782 [2023-11-29 06:00:15,614 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 294 transitions. [2023-11-29 06:00:15,614 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 294 transitions. [2023-11-29 06:00:15,614 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:00:15,615 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 294 transitions. [2023-11-29 06:00:15,616 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 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) [2023-11-29 06:00:15,618 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 115.0) internal successors, (460), 4 states have internal predecessors, (460), 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) [2023-11-29 06:00:15,618 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 115.0) internal successors, (460), 4 states have internal predecessors, (460), 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) [2023-11-29 06:00:15,619 INFO L175 Difference]: Start difference. First operand has 102 places, 95 transitions, 220 flow. Second operand 3 states and 294 transitions. [2023-11-29 06:00:15,619 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 102 transitions, 294 flow [2023-11-29 06:00:15,621 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 102 transitions, 282 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:00:15,623 INFO L231 Difference]: Finished difference. Result has 101 places, 98 transitions, 242 flow [2023-11-29 06:00:15,624 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=242, PETRI_PLACES=101, PETRI_TRANSITIONS=98} [2023-11-29 06:00:15,624 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, -5 predicate places. [2023-11-29 06:00:15,625 INFO L495 AbstractCegarLoop]: Abstraction has has 101 places, 98 transitions, 242 flow [2023-11-29 06:00:15,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 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) [2023-11-29 06:00:15,625 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:00:15,625 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:00:15,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 06:00:15,626 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 06:00:15,626 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:00:15,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1131083524, now seen corresponding path program 1 times [2023-11-29 06:00:15,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:00:15,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272069684] [2023-11-29 06:00:15,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:00:15,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:00:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:00:15,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:00:15,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:00:15,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272069684] [2023-11-29 06:00:15,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272069684] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:00:15,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:00:15,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:00:15,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202220786] [2023-11-29 06:00:15,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:00:15,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:00:15,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:00:15,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:00:15,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:00:15,815 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 96 out of 115 [2023-11-29 06:00:15,816 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 98 transitions, 242 flow. Second operand has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 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) [2023-11-29 06:00:15,816 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:00:15,816 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 96 of 115 [2023-11-29 06:00:15,817 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:00:15,914 INFO L124 PetriNetUnfolderBase]: 27/355 cut-off events. [2023-11-29 06:00:15,914 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2023-11-29 06:00:15,916 INFO L83 FinitePrefix]: Finished finitePrefix Result has 490 conditions, 355 events. 27/355 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1685 event pairs, 14 based on Foata normal form. 3/337 useless extension candidates. Maximal degree in co-relation 444. Up to 63 conditions per place. [2023-11-29 06:00:15,917 INFO L140 encePairwiseOnDemand]: 108/115 looper letters, 13 selfloop transitions, 7 changer transitions 0/102 dead transitions. [2023-11-29 06:00:15,918 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 102 transitions, 276 flow [2023-11-29 06:00:15,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:00:15,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:00:15,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 310 transitions. [2023-11-29 06:00:15,920 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8985507246376812 [2023-11-29 06:00:15,920 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 310 transitions. [2023-11-29 06:00:15,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 310 transitions. [2023-11-29 06:00:15,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:00:15,921 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 310 transitions. [2023-11-29 06:00:15,922 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 103.33333333333333) internal successors, (310), 3 states have internal predecessors, (310), 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) [2023-11-29 06:00:15,924 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 115.0) internal successors, (460), 4 states have internal predecessors, (460), 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) [2023-11-29 06:00:15,925 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 115.0) internal successors, (460), 4 states have internal predecessors, (460), 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) [2023-11-29 06:00:15,925 INFO L175 Difference]: Start difference. First operand has 101 places, 98 transitions, 242 flow. Second operand 3 states and 310 transitions. [2023-11-29 06:00:15,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 102 transitions, 276 flow [2023-11-29 06:00:15,927 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 98 places, 102 transitions, 264 flow, removed 2 selfloop flow, removed 4 redundant places. [2023-11-29 06:00:15,948 INFO L231 Difference]: Finished difference. Result has 99 places, 99 transitions, 249 flow [2023-11-29 06:00:15,948 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=249, PETRI_PLACES=99, PETRI_TRANSITIONS=99} [2023-11-29 06:00:15,949 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, -7 predicate places. [2023-11-29 06:00:15,949 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 99 transitions, 249 flow [2023-11-29 06:00:15,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 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) [2023-11-29 06:00:15,950 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:00:15,950 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:00:15,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 06:00:15,951 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 06:00:15,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:00:15,952 INFO L85 PathProgramCache]: Analyzing trace with hash -47913599, now seen corresponding path program 1 times [2023-11-29 06:00:15,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:00:15,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682191778] [2023-11-29 06:00:15,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:00:15,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:00:15,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:00:16,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:00:16,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:00:16,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682191778] [2023-11-29 06:00:16,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682191778] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:00:16,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:00:16,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:00:16,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583728301] [2023-11-29 06:00:16,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:00:16,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:00:16,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:00:16,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:00:16,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:00:16,033 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 115 [2023-11-29 06:00:16,034 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 99 transitions, 249 flow. Second operand has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 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) [2023-11-29 06:00:16,034 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:00:16,034 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 115 [2023-11-29 06:00:16,035 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:00:16,148 INFO L124 PetriNetUnfolderBase]: 66/491 cut-off events. [2023-11-29 06:00:16,149 INFO L125 PetriNetUnfolderBase]: For 102/121 co-relation queries the response was YES. [2023-11-29 06:00:16,150 INFO L83 FinitePrefix]: Finished finitePrefix Result has 825 conditions, 491 events. 66/491 cut-off events. For 102/121 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 2789 event pairs, 34 based on Foata normal form. 2/461 useless extension candidates. Maximal degree in co-relation 779. Up to 141 conditions per place. [2023-11-29 06:00:16,152 INFO L140 encePairwiseOnDemand]: 110/115 looper letters, 28 selfloop transitions, 5 changer transitions 0/106 dead transitions. [2023-11-29 06:00:16,153 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 106 transitions, 339 flow [2023-11-29 06:00:16,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:00:16,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:00:16,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 294 transitions. [2023-11-29 06:00:16,155 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8521739130434782 [2023-11-29 06:00:16,155 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 294 transitions. [2023-11-29 06:00:16,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 294 transitions. [2023-11-29 06:00:16,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:00:16,156 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 294 transitions. [2023-11-29 06:00:16,157 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 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) [2023-11-29 06:00:16,159 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 115.0) internal successors, (460), 4 states have internal predecessors, (460), 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) [2023-11-29 06:00:16,159 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 115.0) internal successors, (460), 4 states have internal predecessors, (460), 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) [2023-11-29 06:00:16,160 INFO L175 Difference]: Start difference. First operand has 99 places, 99 transitions, 249 flow. Second operand 3 states and 294 transitions. [2023-11-29 06:00:16,160 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 106 transitions, 339 flow [2023-11-29 06:00:16,162 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 106 transitions, 330 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 06:00:16,165 INFO L231 Difference]: Finished difference. Result has 102 places, 102 transitions, 278 flow [2023-11-29 06:00:16,165 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=278, PETRI_PLACES=102, PETRI_TRANSITIONS=102} [2023-11-29 06:00:16,166 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, -4 predicate places. [2023-11-29 06:00:16,166 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 102 transitions, 278 flow [2023-11-29 06:00:16,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.33333333333333) internal successors, (277), 3 states have internal predecessors, (277), 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) [2023-11-29 06:00:16,167 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:00:16,167 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:00:16,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 06:00:16,168 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 06:00:16,168 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:00:16,168 INFO L85 PathProgramCache]: Analyzing trace with hash 1033989995, now seen corresponding path program 1 times [2023-11-29 06:00:16,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:00:16,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134609207] [2023-11-29 06:00:16,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:00:16,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:00:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:00:16,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:00:16,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:00:16,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134609207] [2023-11-29 06:00:16,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134609207] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:00:16,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:00:16,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:00:16,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279996445] [2023-11-29 06:00:16,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:00:16,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:00:16,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:00:16,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:00:16,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:00:16,722 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 87 out of 115 [2023-11-29 06:00:16,723 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 102 transitions, 278 flow. Second operand has 6 states, 6 states have (on average 89.0) internal successors, (534), 6 states have internal predecessors, (534), 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) [2023-11-29 06:00:16,723 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:00:16,724 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 87 of 115 [2023-11-29 06:00:16,724 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:00:16,896 INFO L124 PetriNetUnfolderBase]: 97/505 cut-off events. [2023-11-29 06:00:16,897 INFO L125 PetriNetUnfolderBase]: For 116/131 co-relation queries the response was YES. [2023-11-29 06:00:16,898 INFO L83 FinitePrefix]: Finished finitePrefix Result has 938 conditions, 505 events. 97/505 cut-off events. For 116/131 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2828 event pairs, 18 based on Foata normal form. 1/494 useless extension candidates. Maximal degree in co-relation 890. Up to 99 conditions per place. [2023-11-29 06:00:16,899 INFO L140 encePairwiseOnDemand]: 110/115 looper letters, 14 selfloop transitions, 4 changer transitions 37/129 dead transitions. [2023-11-29 06:00:16,899 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 129 transitions, 474 flow [2023-11-29 06:00:16,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:00:16,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 06:00:16,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 565 transitions. [2023-11-29 06:00:16,902 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8188405797101449 [2023-11-29 06:00:16,902 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 565 transitions. [2023-11-29 06:00:16,902 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 565 transitions. [2023-11-29 06:00:16,903 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:00:16,903 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 565 transitions. [2023-11-29 06:00:16,905 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 94.16666666666667) internal successors, (565), 6 states have internal predecessors, (565), 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) [2023-11-29 06:00:16,907 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 115.0) internal successors, (805), 7 states have internal predecessors, (805), 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) [2023-11-29 06:00:16,908 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 115.0) internal successors, (805), 7 states have internal predecessors, (805), 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) [2023-11-29 06:00:16,908 INFO L175 Difference]: Start difference. First operand has 102 places, 102 transitions, 278 flow. Second operand 6 states and 565 transitions. [2023-11-29 06:00:16,908 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 129 transitions, 474 flow [2023-11-29 06:00:16,911 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 129 transitions, 464 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:00:16,913 INFO L231 Difference]: Finished difference. Result has 104 places, 92 transitions, 238 flow [2023-11-29 06:00:16,913 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=238, PETRI_PLACES=104, PETRI_TRANSITIONS=92} [2023-11-29 06:00:16,914 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, -2 predicate places. [2023-11-29 06:00:16,914 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 92 transitions, 238 flow [2023-11-29 06:00:16,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 89.0) internal successors, (534), 6 states have internal predecessors, (534), 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) [2023-11-29 06:00:16,915 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:00:16,915 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:00:16,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 06:00:16,915 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2023-11-29 06:00:16,916 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:00:16,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1053946756, now seen corresponding path program 1 times [2023-11-29 06:00:16,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:00:16,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691402717] [2023-11-29 06:00:16,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:00:16,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:00:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:00:17,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:00:17,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:00:17,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691402717] [2023-11-29 06:00:17,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691402717] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:00:17,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:00:17,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:00:17,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301898101] [2023-11-29 06:00:17,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:00:17,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:00:17,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:00:17,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:00:17,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:00:17,154 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 115 [2023-11-29 06:00:17,155 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 92 transitions, 238 flow. Second operand has 5 states, 5 states have (on average 96.8) internal successors, (484), 5 states have internal predecessors, (484), 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) [2023-11-29 06:00:17,155 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:00:17,155 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 115 [2023-11-29 06:00:17,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:00:17,201 INFO L124 PetriNetUnfolderBase]: 1/96 cut-off events. [2023-11-29 06:00:17,201 INFO L125 PetriNetUnfolderBase]: For 10/10 co-relation queries the response was YES. [2023-11-29 06:00:17,201 INFO L83 FinitePrefix]: Finished finitePrefix Result has 144 conditions, 96 events. 1/96 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 55 event pairs, 0 based on Foata normal form. 6/101 useless extension candidates. Maximal degree in co-relation 129. Up to 10 conditions per place. [2023-11-29 06:00:17,202 INFO L140 encePairwiseOnDemand]: 108/115 looper letters, 0 selfloop transitions, 0 changer transitions 84/84 dead transitions. [2023-11-29 06:00:17,202 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 84 transitions, 236 flow [2023-11-29 06:00:17,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:00:17,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-29 06:00:17,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 490 transitions. [2023-11-29 06:00:17,204 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8521739130434782 [2023-11-29 06:00:17,204 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 490 transitions. [2023-11-29 06:00:17,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 490 transitions. [2023-11-29 06:00:17,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:00:17,205 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 490 transitions. [2023-11-29 06:00:17,207 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 98.0) internal successors, (490), 5 states have internal predecessors, (490), 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) [2023-11-29 06:00:17,209 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 115.0) internal successors, (690), 6 states have internal predecessors, (690), 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) [2023-11-29 06:00:17,209 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 115.0) internal successors, (690), 6 states have internal predecessors, (690), 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) [2023-11-29 06:00:17,209 INFO L175 Difference]: Start difference. First operand has 104 places, 92 transitions, 238 flow. Second operand 5 states and 490 transitions. [2023-11-29 06:00:17,209 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 100 places, 84 transitions, 236 flow [2023-11-29 06:00:17,211 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 84 transitions, 210 flow, removed 4 selfloop flow, removed 7 redundant places. [2023-11-29 06:00:17,211 INFO L231 Difference]: Finished difference. Result has 93 places, 0 transitions, 0 flow [2023-11-29 06:00:17,212 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=115, PETRI_DIFFERENCE_MINUEND_FLOW=183, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=83, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=93, PETRI_TRANSITIONS=0} [2023-11-29 06:00:17,212 INFO L281 CegarLoopForPetriNet]: 106 programPoint places, -13 predicate places. [2023-11-29 06:00:17,213 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 0 transitions, 0 flow [2023-11-29 06:00:17,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 96.8) internal successors, (484), 5 states have internal predecessors, (484), 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) [2023-11-29 06:00:17,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2023-11-29 06:00:17,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2023-11-29 06:00:17,216 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2023-11-29 06:00:17,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2023-11-29 06:00:17,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2023-11-29 06:00:17,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2023-11-29 06:00:17,217 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2023-11-29 06:00:17,218 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2023-11-29 06:00:17,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 06:00:17,218 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-29 06:00:17,223 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 06:00:17,223 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 06:00:17,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:00:17 BasicIcfg [2023-11-29 06:00:17,229 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 06:00:17,230 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:00:17,230 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:00:17,230 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:00:17,230 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:00:14" (3/4) ... [2023-11-29 06:00:17,232 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 06:00:17,235 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-29 06:00:17,239 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-29 06:00:17,239 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 06:00:17,240 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-29 06:00:17,240 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 06:00:17,322 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a51f593-5e44-4fca-a4f3-0181a0beb1c2/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 06:00:17,323 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a51f593-5e44-4fca-a4f3-0181a0beb1c2/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 06:00:17,323 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:00:17,324 INFO L158 Benchmark]: Toolchain (without parser) took 3610.13ms. Allocated memory was 161.5MB in the beginning and 218.1MB in the end (delta: 56.6MB). Free memory was 116.5MB in the beginning and 83.5MB in the end (delta: 33.0MB). Peak memory consumption was 92.2MB. Max. memory is 16.1GB. [2023-11-29 06:00:17,324 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 111.1MB. Free memory is still 60.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:00:17,325 INFO L158 Benchmark]: CACSL2BoogieTranslator took 442.25ms. Allocated memory is still 161.5MB. Free memory was 116.0MB in the beginning and 96.6MB in the end (delta: 19.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-29 06:00:17,325 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.56ms. Allocated memory is still 161.5MB. Free memory was 96.2MB in the beginning and 94.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:00:17,326 INFO L158 Benchmark]: Boogie Preprocessor took 28.97ms. Allocated memory is still 161.5MB. Free memory was 94.5MB in the beginning and 92.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:00:17,326 INFO L158 Benchmark]: RCFGBuilder took 430.50ms. Allocated memory is still 161.5MB. Free memory was 92.4MB in the beginning and 123.2MB in the end (delta: -30.7MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2023-11-29 06:00:17,326 INFO L158 Benchmark]: TraceAbstraction took 2563.89ms. Allocated memory was 161.5MB in the beginning and 218.1MB in the end (delta: 56.6MB). Free memory was 123.2MB in the beginning and 87.7MB in the end (delta: 35.5MB). Peak memory consumption was 90.8MB. Max. memory is 16.1GB. [2023-11-29 06:00:17,327 INFO L158 Benchmark]: Witness Printer took 93.45ms. Allocated memory is still 218.1MB. Free memory was 87.7MB in the beginning and 83.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 06:00:17,329 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 111.1MB. Free memory is still 60.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 442.25ms. Allocated memory is still 161.5MB. Free memory was 116.0MB in the beginning and 96.6MB in the end (delta: 19.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.56ms. Allocated memory is still 161.5MB. Free memory was 96.2MB in the beginning and 94.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.97ms. Allocated memory is still 161.5MB. Free memory was 94.5MB in the beginning and 92.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 430.50ms. Allocated memory is still 161.5MB. Free memory was 92.4MB in the beginning and 123.2MB in the end (delta: -30.7MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2563.89ms. Allocated memory was 161.5MB in the beginning and 218.1MB in the end (delta: 56.6MB). Free memory was 123.2MB in the beginning and 87.7MB in the end (delta: 35.5MB). Peak memory consumption was 90.8MB. Max. memory is 16.1GB. * Witness Printer took 93.45ms. Allocated memory is still 218.1MB. Free memory was 87.7MB in the beginning and 83.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 701]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 704]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 141 locations, 8 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: 2.5s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 197 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 118 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 411 IncrementalHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 6 mSDtfsCounter, 411 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=278occurred in iteration=4, InterpolantAutomatonStates: 23, 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, 1.0s InterpolantComputationTime, 298 NumberOfCodeBlocks, 298 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 292 ConstructedInterpolants, 0 QuantifiedInterpolants, 522 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 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 06:00:17,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a51f593-5e44-4fca-a4f3-0181a0beb1c2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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