./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c630f9-dc71-4ae6-87f3-e79ad3290a46/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c630f9-dc71-4ae6-87f3-e79ad3290a46/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c630f9-dc71-4ae6-87f3-e79ad3290a46/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c630f9-dc71-4ae6-87f3-e79ad3290a46/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c630f9-dc71-4ae6-87f3-e79ad3290a46/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c630f9-dc71-4ae6-87f3-e79ad3290a46/bin/uautomizer-verify-bycVGegfSx --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 4fac19196210fd8dde96f5954c583dd6bd52f0c23546782896f7a0038bedd43c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:07:31,506 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:07:31,579 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c630f9-dc71-4ae6-87f3-e79ad3290a46/bin/uautomizer-verify-bycVGegfSx/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-21 22:07:31,585 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:07:31,586 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:07:31,629 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:07:31,630 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:07:31,631 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:07:31,632 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:07:31,632 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:07:31,633 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:07:31,634 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:07:31,635 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:07:31,635 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:07:31,636 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:07:31,637 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:07:31,637 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:07:31,657 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:07:31,658 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:07:31,658 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:07:31,659 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:07:31,659 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:07:31,660 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-21 22:07:31,660 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:07:31,661 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:07:31,662 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:07:31,662 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:07:31,663 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:07:31,663 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:07:31,664 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:07:31,664 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:07:31,665 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:07:31,665 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:07:31,665 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:07:31,665 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:07:31,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:07:31,666 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:07:31,666 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:07:31,666 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:07:31,667 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:07:31,667 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:07:31,667 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_48c630f9-dc71-4ae6-87f3-e79ad3290a46/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c630f9-dc71-4ae6-87f3-e79ad3290a46/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fac19196210fd8dde96f5954c583dd6bd52f0c23546782896f7a0038bedd43c [2023-11-21 22:07:31,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:07:31,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:07:31,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:07:31,943 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:07:31,944 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:07:31,945 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c630f9-dc71-4ae6-87f3-e79ad3290a46/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2023-11-21 22:07:35,115 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:07:35,417 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:07:35,426 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c630f9-dc71-4ae6-87f3-e79ad3290a46/sv-benchmarks/c/goblint-regression/13-privatized_41-traces-ex-7_unknown_1_neg.i [2023-11-21 22:07:35,451 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c630f9-dc71-4ae6-87f3-e79ad3290a46/bin/uautomizer-verify-bycVGegfSx/data/12ee00615/a6576aab20054c02b1e81d2305ea38e3/FLAGafe4f89fc [2023-11-21 22:07:35,472 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c630f9-dc71-4ae6-87f3-e79ad3290a46/bin/uautomizer-verify-bycVGegfSx/data/12ee00615/a6576aab20054c02b1e81d2305ea38e3 [2023-11-21 22:07:35,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:07:35,480 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:07:35,482 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:07:35,482 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:07:35,490 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:07:35,491 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:07:35" (1/1) ... [2023-11-21 22:07:35,494 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4920dfab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:35, skipping insertion in model container [2023-11-21 22:07:35,494 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:07:35" (1/1) ... [2023-11-21 22:07:35,555 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:07:36,041 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:07:36,064 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:07:36,110 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:07:36,154 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:07:36,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:36 WrapperNode [2023-11-21 22:07:36,154 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:07:36,155 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:07:36,156 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:07:36,156 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:07:36,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:36" (1/1) ... [2023-11-21 22:07:36,178 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:36" (1/1) ... [2023-11-21 22:07:36,200 INFO L138 Inliner]: procedures = 163, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2023-11-21 22:07:36,201 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:07:36,201 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:07:36,201 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:07:36,202 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:07:36,211 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:36" (1/1) ... [2023-11-21 22:07:36,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:36" (1/1) ... [2023-11-21 22:07:36,214 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:36" (1/1) ... [2023-11-21 22:07:36,214 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:36" (1/1) ... [2023-11-21 22:07:36,220 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:36" (1/1) ... [2023-11-21 22:07:36,222 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:36" (1/1) ... [2023-11-21 22:07:36,223 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:36" (1/1) ... [2023-11-21 22:07:36,225 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:36" (1/1) ... [2023-11-21 22:07:36,228 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:07:36,229 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:07:36,229 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:07:36,229 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:07:36,230 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:36" (1/1) ... [2023-11-21 22:07:36,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:07:36,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c630f9-dc71-4ae6-87f3-e79ad3290a46/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:07:36,266 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c630f9-dc71-4ae6-87f3-e79ad3290a46/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:07:36,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c630f9-dc71-4ae6-87f3-e79ad3290a46/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:07:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:07:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-21 22:07:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:07:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:07:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-21 22:07:36,320 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-21 22:07:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:07:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:07:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-21 22:07:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:07:36,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:07:36,323 WARN L212 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 22:07:36,523 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:07:36,526 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:07:36,698 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:07:36,747 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:07:36,748 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 22:07:36,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:07:36 BoogieIcfgContainer [2023-11-21 22:07:36,756 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:07:36,759 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:07:36,759 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:07:36,768 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:07:36,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:07:35" (1/3) ... [2023-11-21 22:07:36,769 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f360c93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:07:36, skipping insertion in model container [2023-11-21 22:07:36,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:36" (2/3) ... [2023-11-21 22:07:36,770 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f360c93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:07:36, skipping insertion in model container [2023-11-21 22:07:36,770 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:07:36" (3/3) ... [2023-11-21 22:07:36,771 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_41-traces-ex-7_unknown_1_neg.i [2023-11-21 22:07:36,778 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-21 22:07:36,787 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:07:36,787 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-21 22:07:36,788 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-21 22:07:36,854 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-21 22:07:36,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 79 places, 77 transitions, 158 flow [2023-11-21 22:07:36,960 INFO L124 PetriNetUnfolderBase]: 2/76 cut-off events. [2023-11-21 22:07:36,961 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-21 22:07:36,966 INFO L83 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 76 events. 2/76 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 65 event pairs, 0 based on Foata normal form. 0/72 useless extension candidates. Maximal degree in co-relation 48. Up to 2 conditions per place. [2023-11-21 22:07:36,966 INFO L82 GeneralOperation]: Start removeDead. Operand has 79 places, 77 transitions, 158 flow [2023-11-21 22:07:36,971 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 78 places, 76 transitions, 155 flow [2023-11-21 22:07:36,983 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:07:36,991 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;@659106d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:07:36,991 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-21 22:07:37,009 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-21 22:07:37,009 INFO L124 PetriNetUnfolderBase]: 0/45 cut-off events. [2023-11-21 22:07:37,009 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-21 22:07:37,010 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:07:37,010 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] [2023-11-21 22:07:37,011 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-21 22:07:37,017 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:37,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1638949915, now seen corresponding path program 1 times [2023-11-21 22:07:37,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:37,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197979874] [2023-11-21 22:07:37,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:37,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:37,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:37,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:37,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:07:37,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197979874] [2023-11-21 22:07:37,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197979874] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:07:37,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:07:37,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:07:37,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437123274] [2023-11-21 22:07:37,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:07:37,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:07:37,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:07:37,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:07:37,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:07:37,398 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 60 out of 77 [2023-11-21 22:07:37,401 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 76 transitions, 155 flow. Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 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) [2023-11-21 22:07:37,402 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:07:37,402 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 60 of 77 [2023-11-21 22:07:37,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:07:37,553 INFO L124 PetriNetUnfolderBase]: 32/199 cut-off events. [2023-11-21 22:07:37,553 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-21 22:07:37,554 INFO L83 FinitePrefix]: Finished finitePrefix Result has 284 conditions, 199 events. 32/199 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 706 event pairs, 24 based on Foata normal form. 17/209 useless extension candidates. Maximal degree in co-relation 250. Up to 64 conditions per place. [2023-11-21 22:07:37,557 INFO L140 encePairwiseOnDemand]: 70/77 looper letters, 16 selfloop transitions, 4 changer transitions 0/77 dead transitions. [2023-11-21 22:07:37,557 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 77 transitions, 197 flow [2023-11-21 22:07:37,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:07:37,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:07:37,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 205 transitions. [2023-11-21 22:07:37,573 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8874458874458875 [2023-11-21 22:07:37,574 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 205 transitions. [2023-11-21 22:07:37,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 205 transitions. [2023-11-21 22:07:37,576 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:07:37,578 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 205 transitions. [2023-11-21 22:07:37,581 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 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) [2023-11-21 22:07:37,586 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 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) [2023-11-21 22:07:37,587 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 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) [2023-11-21 22:07:37,589 INFO L175 Difference]: Start difference. First operand has 78 places, 76 transitions, 155 flow. Second operand 3 states and 205 transitions. [2023-11-21 22:07:37,591 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 77 transitions, 197 flow [2023-11-21 22:07:37,594 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 77 transitions, 196 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-21 22:07:37,598 INFO L231 Difference]: Finished difference. Result has 78 places, 74 transitions, 174 flow [2023-11-21 22:07:37,601 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=77, PETRI_DIFFERENCE_MINUEND_FLOW=144, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=174, PETRI_PLACES=78, PETRI_TRANSITIONS=74} [2023-11-21 22:07:37,606 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, 0 predicate places. [2023-11-21 22:07:37,606 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 74 transitions, 174 flow [2023-11-21 22:07:37,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 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) [2023-11-21 22:07:37,607 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:07:37,607 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] [2023-11-21 22:07:37,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:07:37,608 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-21 22:07:37,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:37,608 INFO L85 PathProgramCache]: Analyzing trace with hash -917823677, now seen corresponding path program 1 times [2023-11-21 22:07:37,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:37,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747442034] [2023-11-21 22:07:37,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:37,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:37,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:37,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:37,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:07:37,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747442034] [2023-11-21 22:07:37,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747442034] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:07:37,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:07:37,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:07:37,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220233413] [2023-11-21 22:07:37,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:07:37,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:07:37,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:07:37,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:07:37,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:07:37,803 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 77 [2023-11-21 22:07:37,803 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 74 transitions, 174 flow. Second operand has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 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) [2023-11-21 22:07:37,803 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:07:37,804 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 77 [2023-11-21 22:07:37,804 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:07:37,932 INFO L124 PetriNetUnfolderBase]: 30/302 cut-off events. [2023-11-21 22:07:37,933 INFO L125 PetriNetUnfolderBase]: For 27/29 co-relation queries the response was YES. [2023-11-21 22:07:37,935 INFO L83 FinitePrefix]: Finished finitePrefix Result has 432 conditions, 302 events. 30/302 cut-off events. For 27/29 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1461 event pairs, 17 based on Foata normal form. 0/289 useless extension candidates. Maximal degree in co-relation 397. Up to 51 conditions per place. [2023-11-21 22:07:37,936 INFO L140 encePairwiseOnDemand]: 73/77 looper letters, 13 selfloop transitions, 3 changer transitions 5/80 dead transitions. [2023-11-21 22:07:37,936 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 80 transitions, 228 flow [2023-11-21 22:07:37,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:07:37,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-21 22:07:37,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 205 transitions. [2023-11-21 22:07:37,940 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8874458874458875 [2023-11-21 22:07:37,940 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 205 transitions. [2023-11-21 22:07:37,940 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 205 transitions. [2023-11-21 22:07:37,941 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:07:37,941 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 205 transitions. [2023-11-21 22:07:37,943 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 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) [2023-11-21 22:07:37,945 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 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) [2023-11-21 22:07:37,946 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 77.0) internal successors, (308), 4 states have internal predecessors, (308), 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) [2023-11-21 22:07:37,946 INFO L175 Difference]: Start difference. First operand has 78 places, 74 transitions, 174 flow. Second operand 3 states and 205 transitions. [2023-11-21 22:07:37,946 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 80 transitions, 228 flow [2023-11-21 22:07:37,949 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 80 transitions, 218 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-21 22:07:37,951 INFO L231 Difference]: Finished difference. Result has 80 places, 73 transitions, 180 flow [2023-11-21 22:07:37,952 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=77, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=180, PETRI_PLACES=80, PETRI_TRANSITIONS=73} [2023-11-21 22:07:37,952 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, 2 predicate places. [2023-11-21 22:07:37,953 INFO L495 AbstractCegarLoop]: Abstraction has has 80 places, 73 transitions, 180 flow [2023-11-21 22:07:37,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 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) [2023-11-21 22:07:37,953 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-21 22:07:37,954 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] [2023-11-21 22:07:37,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 22:07:37,954 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-21 22:07:37,955 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:37,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1595533179, now seen corresponding path program 1 times [2023-11-21 22:07:37,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:37,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156806145] [2023-11-21 22:07:37,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:37,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:37,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:38,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:07:38,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:07:38,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156806145] [2023-11-21 22:07:38,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156806145] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:07:38,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:07:38,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-21 22:07:38,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101245993] [2023-11-21 22:07:38,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:07:38,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-21 22:07:38,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:07:38,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:07:38,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:07:38,518 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 64 out of 77 [2023-11-21 22:07:38,519 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 73 transitions, 180 flow. Second operand has 6 states, 6 states have (on average 65.33333333333333) internal successors, (392), 6 states have internal predecessors, (392), 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) [2023-11-21 22:07:38,520 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-21 22:07:38,520 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 64 of 77 [2023-11-21 22:07:38,520 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-21 22:07:38,627 INFO L124 PetriNetUnfolderBase]: 8/155 cut-off events. [2023-11-21 22:07:38,627 INFO L125 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2023-11-21 22:07:38,633 INFO L83 FinitePrefix]: Finished finitePrefix Result has 214 conditions, 155 events. 8/155 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 380 event pairs, 3 based on Foata normal form. 3/154 useless extension candidates. Maximal degree in co-relation 176. Up to 15 conditions per place. [2023-11-21 22:07:38,634 INFO L140 encePairwiseOnDemand]: 72/77 looper letters, 0 selfloop transitions, 0 changer transitions 72/72 dead transitions. [2023-11-21 22:07:38,634 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 72 transitions, 188 flow [2023-11-21 22:07:38,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 22:07:38,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-11-21 22:07:38,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 335 transitions. [2023-11-21 22:07:38,644 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8701298701298701 [2023-11-21 22:07:38,645 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 335 transitions. [2023-11-21 22:07:38,645 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 335 transitions. [2023-11-21 22:07:38,645 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:07:38,646 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 335 transitions. [2023-11-21 22:07:38,649 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 67.0) internal successors, (335), 5 states have internal predecessors, (335), 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) [2023-11-21 22:07:38,654 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 77.0) internal successors, (462), 6 states have internal predecessors, (462), 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) [2023-11-21 22:07:38,654 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 77.0) internal successors, (462), 6 states have internal predecessors, (462), 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) [2023-11-21 22:07:38,654 INFO L175 Difference]: Start difference. First operand has 80 places, 73 transitions, 180 flow. Second operand 5 states and 335 transitions. [2023-11-21 22:07:38,654 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 72 transitions, 188 flow [2023-11-21 22:07:38,661 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 72 transitions, 173 flow, removed 4 selfloop flow, removed 5 redundant places. [2023-11-21 22:07:38,663 INFO L231 Difference]: Finished difference. Result has 77 places, 0 transitions, 0 flow [2023-11-21 22:07:38,663 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=77, PETRI_DIFFERENCE_MINUEND_FLOW=141, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=77, PETRI_TRANSITIONS=0} [2023-11-21 22:07:38,665 INFO L281 CegarLoopForPetriNet]: 78 programPoint places, -1 predicate places. [2023-11-21 22:07:38,665 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 0 transitions, 0 flow [2023-11-21 22:07:38,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 65.33333333333333) internal successors, (392), 6 states have internal predecessors, (392), 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) [2023-11-21 22:07:38,670 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2023-11-21 22:07:38,670 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-11-21 22:07:38,671 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 4 remaining) [2023-11-21 22:07:38,672 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 4 remaining) [2023-11-21 22:07:38,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 22:07:38,674 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-21 22:07:38,682 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-21 22:07:38,683 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:07:38,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:07:38 BasicIcfg [2023-11-21 22:07:38,696 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:07:38,697 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:07:38,697 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:07:38,697 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:07:38,698 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:07:36" (3/4) ... [2023-11-21 22:07:38,700 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:07:38,705 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-21 22:07:38,711 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-21 22:07:38,712 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 22:07:38,712 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-21 22:07:38,712 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:07:38,795 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c630f9-dc71-4ae6-87f3-e79ad3290a46/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:07:38,795 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c630f9-dc71-4ae6-87f3-e79ad3290a46/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:07:38,795 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:07:38,796 INFO L158 Benchmark]: Toolchain (without parser) took 3316.21ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 129.4MB in the beginning and 124.9MB in the end (delta: 4.5MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-21 22:07:38,797 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory is still 76.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:07:38,797 INFO L158 Benchmark]: CACSL2BoogieTranslator took 672.92ms. Allocated memory is still 161.5MB. Free memory was 128.8MB in the beginning and 109.2MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 22:07:38,798 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.24ms. Allocated memory is still 161.5MB. Free memory was 109.2MB in the beginning and 107.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:07:38,798 INFO L158 Benchmark]: Boogie Preprocessor took 26.55ms. Allocated memory is still 161.5MB. Free memory was 107.7MB in the beginning and 106.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:07:38,799 INFO L158 Benchmark]: RCFGBuilder took 527.70ms. Allocated memory is still 161.5MB. Free memory was 106.3MB in the beginning and 91.0MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 22:07:38,799 INFO L158 Benchmark]: TraceAbstraction took 1937.43ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 90.3MB in the beginning and 129.1MB in the end (delta: -38.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:07:38,800 INFO L158 Benchmark]: Witness Printer took 98.61ms. Allocated memory is still 195.0MB. Free memory was 129.1MB in the beginning and 124.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:07:38,802 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory is still 76.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 672.92ms. Allocated memory is still 161.5MB. Free memory was 128.8MB in the beginning and 109.2MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.24ms. Allocated memory is still 161.5MB. Free memory was 109.2MB in the beginning and 107.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.55ms. Allocated memory is still 161.5MB. Free memory was 107.7MB in the beginning and 106.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 527.70ms. Allocated memory is still 161.5MB. Free memory was 106.3MB in the beginning and 91.0MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1937.43ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 90.3MB in the beginning and 129.1MB in the end (delta: -38.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 98.61ms. Allocated memory is still 195.0MB. Free memory was 129.1MB in the beginning and 124.9MB 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: 698]: 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 95 locations, 4 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: 1.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 91 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 56 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 136 IncrementalHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 3 mSDtfsCounter, 136 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=180occurred in iteration=2, InterpolantAutomatonStates: 11, 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, 0.7s InterpolantComputationTime, 121 NumberOfCodeBlocks, 121 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 118 ConstructedInterpolants, 0 QuantifiedInterpolants, 243 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-21 22:07:38,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c630f9-dc71-4ae6-87f3-e79ad3290a46/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE