./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_09-idxsense_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 4fc63b2a 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_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_09-idxsense_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU --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 0e635f0fe47aceede1c472bdc8d824736c973da1578eefbb4d4eeab774d2111f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:01:42,081 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:01:42,192 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-31 22:01:42,200 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:01:42,201 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:01:42,232 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:01:42,235 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:01:42,235 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:01:42,236 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:01:42,237 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:01:42,237 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:01:42,238 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:01:42,238 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:01:42,244 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:01:42,245 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:01:42,245 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:01:42,245 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:01:42,246 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:01:42,246 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:01:42,248 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:01:42,249 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:01:42,249 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:01:42,250 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-31 22:01:42,250 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:01:42,251 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:01:42,251 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:01:42,251 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:01:42,252 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:01:42,252 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:01:42,254 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:01:42,254 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:01:42,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:01:42,255 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:01:42,256 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:01:42,256 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:01:42,256 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:01:42,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:01:42,257 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:01:42,258 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:01:42,259 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:01:42,259 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:01:42,260 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_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e635f0fe47aceede1c472bdc8d824736c973da1578eefbb4d4eeab774d2111f [2024-10-31 22:01:42,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:01:42,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:01:42,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:01:42,671 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:01:42,671 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:01:42,673 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/goblint-regression/05-lval_ls_09-idxsense_rc.i Unable to find full path for "g++" [2024-10-31 22:01:44,755 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:01:45,015 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:01:45,016 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/sv-benchmarks/c/goblint-regression/05-lval_ls_09-idxsense_rc.i [2024-10-31 22:01:45,045 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU/data/d1ca3fb05/d197f9717aa2417b960610911baae2cb/FLAGa34818915 [2024-10-31 22:01:45,066 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU/data/d1ca3fb05/d197f9717aa2417b960610911baae2cb [2024-10-31 22:01:45,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:01:45,071 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:01:45,072 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:01:45,073 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:01:45,079 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:01:45,080 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:01:45" (1/1) ... [2024-10-31 22:01:45,082 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@306960c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:45, skipping insertion in model container [2024-10-31 22:01:45,082 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:01:45" (1/1) ... [2024-10-31 22:01:45,128 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:01:45,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:01:45,703 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:01:45,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:01:45,846 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:01:45,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:45 WrapperNode [2024-10-31 22:01:45,847 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:01:45,848 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:01:45,849 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:01:45,849 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:01:45,860 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:45" (1/1) ... [2024-10-31 22:01:45,884 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:45" (1/1) ... [2024-10-31 22:01:45,936 INFO L138 Inliner]: procedures = 162, calls = 73, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 110 [2024-10-31 22:01:45,940 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:01:45,941 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:01:45,941 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:01:45,941 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:01:45,962 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:45" (1/1) ... [2024-10-31 22:01:45,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:45" (1/1) ... [2024-10-31 22:01:45,969 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:45" (1/1) ... [2024-10-31 22:01:45,971 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:45" (1/1) ... [2024-10-31 22:01:45,989 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:45" (1/1) ... [2024-10-31 22:01:45,992 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:45" (1/1) ... [2024-10-31 22:01:45,994 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:45" (1/1) ... [2024-10-31 22:01:45,996 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:45" (1/1) ... [2024-10-31 22:01:45,999 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:01:46,000 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:01:46,000 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:01:46,000 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:01:46,001 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:45" (1/1) ... [2024-10-31 22:01:46,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:01:46,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:46,050 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:46,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:01:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-31 22:01:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-31 22:01:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-31 22:01:46,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:01:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-10-31 22:01:46,087 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-10-31 22:01:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-31 22:01:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-31 22:01:46,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:01:46,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:01:46,090 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-31 22:01:46,256 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:01:46,259 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:01:46,733 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-31 22:01:46,734 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:01:46,772 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:01:46,773 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:01:46,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:01:46 BoogieIcfgContainer [2024-10-31 22:01:46,774 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:01:46,777 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:01:46,777 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:01:46,781 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:01:46,781 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:01:45" (1/3) ... [2024-10-31 22:01:46,783 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@109e3ddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:01:46, skipping insertion in model container [2024-10-31 22:01:46,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:45" (2/3) ... [2024-10-31 22:01:46,785 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@109e3ddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:01:46, skipping insertion in model container [2024-10-31 22:01:46,785 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:01:46" (3/3) ... [2024-10-31 22:01:46,787 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_09-idxsense_rc.i [2024-10-31 22:01:46,812 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:01:46,812 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-31 22:01:46,812 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-31 22:01:47,002 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-31 22:01:47,073 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 140 places, 138 transitions, 280 flow [2024-10-31 22:01:47,184 INFO L124 PetriNetUnfolderBase]: 2/137 cut-off events. [2024-10-31 22:01:47,184 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:01:47,190 INFO L83 FinitePrefix]: Finished finitePrefix Result has 141 conditions, 137 events. 2/137 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 72 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 81. Up to 2 conditions per place. [2024-10-31 22:01:47,190 INFO L82 GeneralOperation]: Start removeDead. Operand has 140 places, 138 transitions, 280 flow [2024-10-31 22:01:47,196 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 139 places, 137 transitions, 277 flow [2024-10-31 22:01:47,209 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:01:47,218 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@61b83971, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:01:47,218 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-10-31 22:01:47,254 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-31 22:01:47,254 INFO L124 PetriNetUnfolderBase]: 2/98 cut-off events. [2024-10-31 22:01:47,254 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-31 22:01:47,255 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:01:47,255 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:47,256 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-10-31 22:01:47,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:47,263 INFO L85 PathProgramCache]: Analyzing trace with hash 162973442, now seen corresponding path program 1 times [2024-10-31 22:01:47,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:47,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241335990] [2024-10-31 22:01:47,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:47,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:47,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:47,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:47,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:47,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241335990] [2024-10-31 22:01:47,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241335990] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:47,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:47,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:01:47,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254385993] [2024-10-31 22:01:47,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:47,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:01:47,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:47,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:01:47,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:01:47,937 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 126 out of 138 [2024-10-31 22:01:47,941 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 137 transitions, 277 flow. Second operand has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:47,942 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:01:47,942 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 126 of 138 [2024-10-31 22:01:47,943 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:01:48,039 INFO L124 PetriNetUnfolderBase]: 7/221 cut-off events. [2024-10-31 22:01:48,039 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-31 22:01:48,041 INFO L83 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 221 events. 7/221 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 322 event pairs, 6 based on Foata normal form. 1/209 useless extension candidates. Maximal degree in co-relation 153. Up to 24 conditions per place. [2024-10-31 22:01:48,043 INFO L140 encePairwiseOnDemand]: 134/138 looper letters, 10 selfloop transitions, 2 changer transitions 0/137 dead transitions. [2024-10-31 22:01:48,043 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 137 transitions, 301 flow [2024-10-31 22:01:48,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:01:48,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-31 22:01:48,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 393 transitions. [2024-10-31 22:01:48,060 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9492753623188406 [2024-10-31 22:01:48,063 INFO L175 Difference]: Start difference. First operand has 139 places, 137 transitions, 277 flow. Second operand 3 states and 393 transitions. [2024-10-31 22:01:48,064 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 137 transitions, 301 flow [2024-10-31 22:01:48,068 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 137 transitions, 300 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:01:48,073 INFO L231 Difference]: Finished difference. Result has 141 places, 137 transitions, 286 flow [2024-10-31 22:01:48,076 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=138, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=286, PETRI_PLACES=141, PETRI_TRANSITIONS=137} [2024-10-31 22:01:48,080 INFO L277 CegarLoopForPetriNet]: 139 programPoint places, 2 predicate places. [2024-10-31 22:01:48,080 INFO L471 AbstractCegarLoop]: Abstraction has has 141 places, 137 transitions, 286 flow [2024-10-31 22:01:48,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:48,081 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:01:48,081 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:48,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:01:48,082 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-10-31 22:01:48,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:48,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1374446208, now seen corresponding path program 1 times [2024-10-31 22:01:48,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:48,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552481633] [2024-10-31 22:01:48,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:48,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:48,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:48,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:48,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:48,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552481633] [2024-10-31 22:01:48,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552481633] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:01:48,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [370786630] [2024-10-31 22:01:48,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:48,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:01:48,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:48,407 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:01:48,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:01:48,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:48,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:01:48,561 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:01:48,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:48,696 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:01:48,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:48,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [370786630] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:01:48,772 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:01:48,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-31 22:01:48,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884259870] [2024-10-31 22:01:48,774 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:01:48,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-31 22:01:48,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:48,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-31 22:01:48,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:01:48,824 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 138 [2024-10-31 22:01:48,826 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 137 transitions, 286 flow. Second operand has 10 states, 10 states have (on average 125.0) internal successors, (1250), 10 states have internal predecessors, (1250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:48,827 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:01:48,827 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 138 [2024-10-31 22:01:48,827 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:01:49,067 INFO L124 PetriNetUnfolderBase]: 7/228 cut-off events. [2024-10-31 22:01:49,067 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2024-10-31 22:01:49,068 INFO L83 FinitePrefix]: Finished finitePrefix Result has 275 conditions, 228 events. 7/228 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 316 event pairs, 6 based on Foata normal form. 2/217 useless extension candidates. Maximal degree in co-relation 190. Up to 24 conditions per place. [2024-10-31 22:01:49,070 INFO L140 encePairwiseOnDemand]: 132/138 looper letters, 14 selfloop transitions, 9 changer transitions 0/145 dead transitions. [2024-10-31 22:01:49,071 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 145 transitions, 350 flow [2024-10-31 22:01:49,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-31 22:01:49,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2024-10-31 22:01:49,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1132 transitions. [2024-10-31 22:01:49,081 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9114331723027376 [2024-10-31 22:01:49,083 INFO L175 Difference]: Start difference. First operand has 141 places, 137 transitions, 286 flow. Second operand 9 states and 1132 transitions. [2024-10-31 22:01:49,083 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 149 places, 145 transitions, 350 flow [2024-10-31 22:01:49,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 145 transitions, 348 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:01:49,090 INFO L231 Difference]: Finished difference. Result has 151 places, 143 transitions, 334 flow [2024-10-31 22:01:49,091 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=284, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=137, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=334, PETRI_PLACES=151, PETRI_TRANSITIONS=143} [2024-10-31 22:01:49,092 INFO L277 CegarLoopForPetriNet]: 139 programPoint places, 12 predicate places. [2024-10-31 22:01:49,093 INFO L471 AbstractCegarLoop]: Abstraction has has 151 places, 143 transitions, 334 flow [2024-10-31 22:01:49,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 125.0) internal successors, (1250), 10 states have internal predecessors, (1250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:49,094 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:01:49,095 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:49,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 22:01:49,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:01:49,299 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-10-31 22:01:49,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:49,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1096255808, now seen corresponding path program 2 times [2024-10-31 22:01:49,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:49,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799047836] [2024-10-31 22:01:49,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:49,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:49,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:49,617 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:49,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:49,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799047836] [2024-10-31 22:01:49,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799047836] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:01:49,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861387801] [2024-10-31 22:01:49,621 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 22:01:49,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:01:49,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:49,623 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:01:49,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-31 22:01:49,773 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-31 22:01:49,773 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:01:49,776 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-31 22:01:49,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:01:50,102 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-31 22:01:50,139 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-10-31 22:01:50,203 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-31 22:01:50,204 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 28 [2024-10-31 22:01:50,309 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-31 22:01:50,309 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 38 [2024-10-31 22:01:50,364 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-31 22:01:50,364 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:01:50,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [861387801] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:50,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:01:50,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 14 [2024-10-31 22:01:50,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028846808] [2024-10-31 22:01:50,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:50,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:01:50,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:50,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:01:50,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-10-31 22:01:50,746 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 138 [2024-10-31 22:01:50,747 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 143 transitions, 334 flow. Second operand has 7 states, 7 states have (on average 110.14285714285714) internal successors, (771), 7 states have internal predecessors, (771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:50,747 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:01:50,748 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 138 [2024-10-31 22:01:50,748 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:01:51,214 INFO L124 PetriNetUnfolderBase]: 261/1003 cut-off events. [2024-10-31 22:01:51,217 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-10-31 22:01:51,221 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1606 conditions, 1003 events. 261/1003 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 5970 event pairs, 67 based on Foata normal form. 0/966 useless extension candidates. Maximal degree in co-relation 1492. Up to 256 conditions per place. [2024-10-31 22:01:51,228 INFO L140 encePairwiseOnDemand]: 115/138 looper letters, 87 selfloop transitions, 43 changer transitions 0/245 dead transitions. [2024-10-31 22:01:51,229 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 245 transitions, 798 flow [2024-10-31 22:01:51,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 22:01:51,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2024-10-31 22:01:51,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 895 transitions. [2024-10-31 22:01:51,232 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9265010351966874 [2024-10-31 22:01:51,232 INFO L175 Difference]: Start difference. First operand has 151 places, 143 transitions, 334 flow. Second operand 7 states and 895 transitions. [2024-10-31 22:01:51,232 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 245 transitions, 798 flow [2024-10-31 22:01:51,238 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 156 places, 245 transitions, 792 flow, removed 2 selfloop flow, removed 1 redundant places. [2024-10-31 22:01:51,243 INFO L231 Difference]: Finished difference. Result has 161 places, 189 transitions, 647 flow [2024-10-31 22:01:51,247 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=328, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=647, PETRI_PLACES=161, PETRI_TRANSITIONS=189} [2024-10-31 22:01:51,247 INFO L277 CegarLoopForPetriNet]: 139 programPoint places, 22 predicate places. [2024-10-31 22:01:51,248 INFO L471 AbstractCegarLoop]: Abstraction has has 161 places, 189 transitions, 647 flow [2024-10-31 22:01:51,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 110.14285714285714) internal successors, (771), 7 states have internal predecessors, (771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:51,249 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:01:51,249 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:51,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-31 22:01:51,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:01:51,450 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-10-31 22:01:51,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:51,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1131837115, now seen corresponding path program 1 times [2024-10-31 22:01:51,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:51,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781366244] [2024-10-31 22:01:51,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:51,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:51,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:51,753 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:51,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:51,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781366244] [2024-10-31 22:01:51,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781366244] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:01:51,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710358491] [2024-10-31 22:01:51,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:51,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:01:51,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:51,757 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:01:51,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-31 22:01:51,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:51,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 22:01:51,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:01:51,955 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:51,955 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:01:52,073 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:52,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710358491] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:01:52,073 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:01:52,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-10-31 22:01:52,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145392420] [2024-10-31 22:01:52,074 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:01:52,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-31 22:01:52,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:52,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-31 22:01:52,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-10-31 22:01:52,107 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 138 [2024-10-31 22:01:52,111 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 189 transitions, 647 flow. Second operand has 18 states, 18 states have (on average 125.0) internal successors, (2250), 18 states have internal predecessors, (2250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:52,111 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:01:52,111 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 138 [2024-10-31 22:01:52,111 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:01:52,504 INFO L124 PetriNetUnfolderBase]: 123/770 cut-off events. [2024-10-31 22:01:52,504 INFO L125 PetriNetUnfolderBase]: For 130/145 co-relation queries the response was YES. [2024-10-31 22:01:52,507 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1442 conditions, 770 events. 123/770 cut-off events. For 130/145 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 4494 event pairs, 41 based on Foata normal form. 4/757 useless extension candidates. Maximal degree in co-relation 1250. Up to 126 conditions per place. [2024-10-31 22:01:52,511 INFO L140 encePairwiseOnDemand]: 132/138 looper letters, 18 selfloop transitions, 21 changer transitions 0/207 dead transitions. [2024-10-31 22:01:52,511 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 207 transitions, 813 flow [2024-10-31 22:01:52,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-31 22:01:52,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-10-31 22:01:52,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 2626 transitions. [2024-10-31 22:01:52,517 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9061421670117322 [2024-10-31 22:01:52,518 INFO L175 Difference]: Start difference. First operand has 161 places, 189 transitions, 647 flow. Second operand 21 states and 2626 transitions. [2024-10-31 22:01:52,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 181 places, 207 transitions, 813 flow [2024-10-31 22:01:52,527 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 207 transitions, 812 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-10-31 22:01:52,531 INFO L231 Difference]: Finished difference. Result has 185 places, 202 transitions, 776 flow [2024-10-31 22:01:52,531 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=646, PETRI_DIFFERENCE_MINUEND_PLACES=160, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=189, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=178, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=776, PETRI_PLACES=185, PETRI_TRANSITIONS=202} [2024-10-31 22:01:52,533 INFO L277 CegarLoopForPetriNet]: 139 programPoint places, 46 predicate places. [2024-10-31 22:01:52,533 INFO L471 AbstractCegarLoop]: Abstraction has has 185 places, 202 transitions, 776 flow [2024-10-31 22:01:52,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 125.0) internal successors, (2250), 18 states have internal predecessors, (2250), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:52,536 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:01:52,536 INFO L204 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:52,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-31 22:01:52,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:01:52,741 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-10-31 22:01:52,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:52,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1590758341, now seen corresponding path program 2 times [2024-10-31 22:01:52,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:52,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227829530] [2024-10-31 22:01:52,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:52,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:53,264 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:53,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:53,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227829530] [2024-10-31 22:01:53,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227829530] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:01:53,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [8357018] [2024-10-31 22:01:53,268 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 22:01:53,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:01:53,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:53,271 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:01:53,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-31 22:01:53,385 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-31 22:01:53,386 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:01:53,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-31 22:01:53,391 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:01:53,408 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-10-31 22:01:53,431 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2024-10-31 22:01:53,470 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-31 22:01:53,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2024-10-31 22:01:53,517 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-31 22:01:53,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 46 [2024-10-31 22:01:53,557 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-31 22:01:53,558 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:01:53,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [8357018] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:53,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:01:53,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2024-10-31 22:01:53,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139874410] [2024-10-31 22:01:53,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:53,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:01:53,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:53,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:01:53,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2024-10-31 22:01:53,827 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 138 [2024-10-31 22:01:53,828 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 185 places, 202 transitions, 776 flow. Second operand has 6 states, 6 states have (on average 110.33333333333333) internal successors, (662), 6 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:53,829 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:01:53,829 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 138 [2024-10-31 22:01:53,829 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:01:54,354 INFO L124 PetriNetUnfolderBase]: 417/1422 cut-off events. [2024-10-31 22:01:54,355 INFO L125 PetriNetUnfolderBase]: For 627/662 co-relation queries the response was YES. [2024-10-31 22:01:54,360 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3427 conditions, 1422 events. 417/1422 cut-off events. For 627/662 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 9214 event pairs, 108 based on Foata normal form. 21/1426 useless extension candidates. Maximal degree in co-relation 3228. Up to 602 conditions per place. [2024-10-31 22:01:54,366 INFO L140 encePairwiseOnDemand]: 121/138 looper letters, 99 selfloop transitions, 53 changer transitions 6/285 dead transitions. [2024-10-31 22:01:54,367 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 285 transitions, 1444 flow [2024-10-31 22:01:54,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:01:54,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:01:54,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 746 transitions. [2024-10-31 22:01:54,369 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9009661835748792 [2024-10-31 22:01:54,370 INFO L175 Difference]: Start difference. First operand has 185 places, 202 transitions, 776 flow. Second operand 6 states and 746 transitions. [2024-10-31 22:01:54,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 285 transitions, 1444 flow [2024-10-31 22:01:54,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 285 transitions, 1420 flow, removed 6 selfloop flow, removed 6 redundant places. [2024-10-31 22:01:54,381 INFO L231 Difference]: Finished difference. Result has 189 places, 253 transitions, 1258 flow [2024-10-31 22:01:54,381 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=752, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1258, PETRI_PLACES=189, PETRI_TRANSITIONS=253} [2024-10-31 22:01:54,382 INFO L277 CegarLoopForPetriNet]: 139 programPoint places, 50 predicate places. [2024-10-31 22:01:54,382 INFO L471 AbstractCegarLoop]: Abstraction has has 189 places, 253 transitions, 1258 flow [2024-10-31 22:01:54,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 110.33333333333333) internal successors, (662), 6 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:54,383 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:01:54,383 INFO L204 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:54,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-31 22:01:54,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:01:54,588 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-10-31 22:01:54,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:54,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1125053327, now seen corresponding path program 1 times [2024-10-31 22:01:54,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:54,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380947046] [2024-10-31 22:01:54,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:54,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:55,260 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:55,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:55,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380947046] [2024-10-31 22:01:55,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380947046] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:01:55,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355458932] [2024-10-31 22:01:55,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:55,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:01:55,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:55,265 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:01:55,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-31 22:01:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:55,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-31 22:01:55,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:01:55,559 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:55,560 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:01:55,849 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:55,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1355458932] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:01:55,850 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:01:55,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-10-31 22:01:55,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273530095] [2024-10-31 22:01:55,850 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:01:55,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-10-31 22:01:55,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:55,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-10-31 22:01:55,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-10-31 22:01:55,905 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 138 [2024-10-31 22:01:55,910 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 253 transitions, 1258 flow. Second operand has 23 states, 23 states have (on average 125.08695652173913) internal successors, (2877), 23 states have internal predecessors, (2877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:55,911 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:01:55,911 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 138 [2024-10-31 22:01:55,912 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:01:56,651 INFO L124 PetriNetUnfolderBase]: 227/1128 cut-off events. [2024-10-31 22:01:56,651 INFO L125 PetriNetUnfolderBase]: For 971/1000 co-relation queries the response was YES. [2024-10-31 22:01:56,657 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2850 conditions, 1128 events. 227/1128 cut-off events. For 971/1000 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 7343 event pairs, 39 based on Foata normal form. 7/1121 useless extension candidates. Maximal degree in co-relation 2571. Up to 212 conditions per place. [2024-10-31 22:01:56,663 INFO L140 encePairwiseOnDemand]: 132/138 looper letters, 21 selfloop transitions, 30 changer transitions 0/270 dead transitions. [2024-10-31 22:01:56,663 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 218 places, 270 transitions, 1482 flow [2024-10-31 22:01:56,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-10-31 22:01:56,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2024-10-31 22:01:56,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 3744 transitions. [2024-10-31 22:01:56,672 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9043478260869565 [2024-10-31 22:01:56,673 INFO L175 Difference]: Start difference. First operand has 189 places, 253 transitions, 1258 flow. Second operand 30 states and 3744 transitions. [2024-10-31 22:01:56,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 218 places, 270 transitions, 1482 flow [2024-10-31 22:01:56,682 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 218 places, 270 transitions, 1474 flow, removed 4 selfloop flow, removed 0 redundant places. [2024-10-31 22:01:56,689 INFO L231 Difference]: Finished difference. Result has 222 places, 263 transitions, 1402 flow [2024-10-31 22:01:56,690 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=1250, PETRI_DIFFERENCE_MINUEND_PLACES=189, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=253, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=230, PETRI_DIFFERENCE_SUBTRAHEND_STATES=30, PETRI_FLOW=1402, PETRI_PLACES=222, PETRI_TRANSITIONS=263} [2024-10-31 22:01:56,691 INFO L277 CegarLoopForPetriNet]: 139 programPoint places, 83 predicate places. [2024-10-31 22:01:56,691 INFO L471 AbstractCegarLoop]: Abstraction has has 222 places, 263 transitions, 1402 flow [2024-10-31 22:01:56,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 125.08695652173913) internal successors, (2877), 23 states have internal predecessors, (2877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:56,693 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:01:56,694 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:56,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-31 22:01:56,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-31 22:01:56,898 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-10-31 22:01:56,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:56,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1161396659, now seen corresponding path program 2 times [2024-10-31 22:01:56,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:56,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990394273] [2024-10-31 22:01:56,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:56,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:56,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:57,836 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-10-31 22:01:57,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:57,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990394273] [2024-10-31 22:01:57,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990394273] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:57,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:57,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:01:57,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856589435] [2024-10-31 22:01:57,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:57,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:01:57,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:57,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:01:57,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:01:58,110 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 138 [2024-10-31 22:01:58,111 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 222 places, 263 transitions, 1402 flow. Second operand has 6 states, 6 states have (on average 108.5) internal successors, (651), 6 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:58,112 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-31 22:01:58,112 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 138 [2024-10-31 22:01:58,112 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-31 22:01:58,791 INFO L124 PetriNetUnfolderBase]: 571/1817 cut-off events. [2024-10-31 22:01:58,791 INFO L125 PetriNetUnfolderBase]: For 2380/2428 co-relation queries the response was YES. [2024-10-31 22:01:58,800 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5538 conditions, 1817 events. 571/1817 cut-off events. For 2380/2428 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 12226 event pairs, 127 based on Foata normal form. 25/1817 useless extension candidates. Maximal degree in co-relation 5256. Up to 841 conditions per place. [2024-10-31 22:01:58,807 INFO L140 encePairwiseOnDemand]: 121/138 looper letters, 120 selfloop transitions, 58 changer transitions 39/355 dead transitions. [2024-10-31 22:01:58,808 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 227 places, 355 transitions, 2360 flow [2024-10-31 22:01:58,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:01:58,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-10-31 22:01:58,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 736 transitions. [2024-10-31 22:01:58,811 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2024-10-31 22:01:58,811 INFO L175 Difference]: Start difference. First operand has 222 places, 263 transitions, 1402 flow. Second operand 6 states and 736 transitions. [2024-10-31 22:01:58,811 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 227 places, 355 transitions, 2360 flow [2024-10-31 22:01:58,827 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 209 places, 355 transitions, 2314 flow, removed 5 selfloop flow, removed 18 redundant places. [2024-10-31 22:01:58,836 INFO L231 Difference]: Finished difference. Result has 213 places, 290 transitions, 1764 flow [2024-10-31 22:01:58,837 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=1356, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=263, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=226, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1764, PETRI_PLACES=213, PETRI_TRANSITIONS=290} [2024-10-31 22:01:58,839 INFO L277 CegarLoopForPetriNet]: 139 programPoint places, 74 predicate places. [2024-10-31 22:01:58,839 INFO L471 AbstractCegarLoop]: Abstraction has has 213 places, 290 transitions, 1764 flow [2024-10-31 22:01:58,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 108.5) internal successors, (651), 6 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:01:58,840 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-31 22:01:58,840 INFO L204 CegarLoopForPetriNet]: trace histogram [10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:58,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:01:58,840 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-10-31 22:01:58,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:58,841 INFO L85 PathProgramCache]: Analyzing trace with hash -985243065, now seen corresponding path program 1 times [2024-10-31 22:01:58,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:58,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489849757] [2024-10-31 22:01:58,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:58,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:58,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:58,897 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:01:58,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:01:58,975 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:01:58,976 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:01:58,977 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2024-10-31 22:01:58,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2024-10-31 22:01:58,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2024-10-31 22:01:58,981 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2024-10-31 22:01:58,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2024-10-31 22:01:58,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2024-10-31 22:01:58,982 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2024-10-31 22:01:58,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:01:58,983 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1] [2024-10-31 22:01:59,073 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-31 22:01:59,073 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:01:59,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:01:59 BasicIcfg [2024-10-31 22:01:59,080 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:01:59,080 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:01:59,080 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:01:59,081 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:01:59,081 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:01:46" (3/4) ... [2024-10-31 22:01:59,083 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-10-31 22:01:59,178 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 22:01:59,178 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:01:59,179 INFO L158 Benchmark]: Toolchain (without parser) took 14108.33ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 69.4MB in the beginning and 181.3MB in the end (delta: -111.9MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. [2024-10-31 22:01:59,179 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 117.4MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:01:59,183 INFO L158 Benchmark]: CACSL2BoogieTranslator took 774.89ms. Allocated memory was 117.4MB in the beginning and 180.4MB in the end (delta: 62.9MB). Free memory was 69.4MB in the beginning and 139.0MB in the end (delta: -69.6MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2024-10-31 22:01:59,184 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.72ms. Allocated memory is still 180.4MB. Free memory was 139.0MB in the beginning and 136.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:01:59,184 INFO L158 Benchmark]: Boogie Preprocessor took 58.59ms. Allocated memory is still 180.4MB. Free memory was 136.9MB in the beginning and 134.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:01:59,185 INFO L158 Benchmark]: RCFGBuilder took 773.91ms. Allocated memory is still 180.4MB. Free memory was 134.8MB in the beginning and 114.7MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-31 22:01:59,185 INFO L158 Benchmark]: TraceAbstraction took 12303.01ms. Allocated memory was 180.4MB in the beginning and 276.8MB in the end (delta: 96.5MB). Free memory was 113.9MB in the beginning and 189.7MB in the end (delta: -75.8MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2024-10-31 22:01:59,186 INFO L158 Benchmark]: Witness Printer took 98.08ms. Allocated memory is still 276.8MB. Free memory was 189.7MB in the beginning and 181.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-31 22:01:59,188 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 117.4MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 774.89ms. Allocated memory was 117.4MB in the beginning and 180.4MB in the end (delta: 62.9MB). Free memory was 69.4MB in the beginning and 139.0MB in the end (delta: -69.6MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.72ms. Allocated memory is still 180.4MB. Free memory was 139.0MB in the beginning and 136.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.59ms. Allocated memory is still 180.4MB. Free memory was 136.9MB in the beginning and 134.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 773.91ms. Allocated memory is still 180.4MB. Free memory was 134.8MB in the beginning and 114.7MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 12303.01ms. Allocated memory was 180.4MB in the beginning and 276.8MB in the end (delta: 96.5MB). Free memory was 113.9MB in the beginning and 189.7MB in the end (delta: -75.8MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * Witness Printer took 98.08ms. Allocated memory is still 276.8MB. Free memory was 189.7MB in the beginning and 181.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 693]: Data race detected Data race detected The following path leads to a data race: [L679] 0 int data[10]; VAL [data={1:0}] [L680] 0 pthread_mutex_t m[10]; VAL [data={1:0}, m={2:0}] [L688] 0 int i = 0; VAL [data={1:0}, i=0, m={2:0}] [L688] COND TRUE 0 i < 10 VAL [data={1:0}, i=0, m={2:0}] [L688] 0 i++ VAL [data={1:0}, i=1, m={2:0}] [L688] COND TRUE 0 i < 10 VAL [data={1:0}, i=1, m={2:0}] [L688] 0 i++ VAL [data={1:0}, i=2, m={2:0}] [L688] COND TRUE 0 i < 10 VAL [data={1:0}, i=2, m={2:0}] [L688] 0 i++ VAL [data={1:0}, i=3, m={2:0}] [L688] COND TRUE 0 i < 10 VAL [data={1:0}, i=3, m={2:0}] [L688] 0 i++ VAL [data={1:0}, i=4, m={2:0}] [L688] COND TRUE 0 i < 10 VAL [data={1:0}, i=4, m={2:0}] [L688] 0 i++ VAL [data={1:0}, i=5, m={2:0}] [L688] COND TRUE 0 i < 10 VAL [data={1:0}, i=5, m={2:0}] [L688] 0 i++ VAL [data={1:0}, i=6, m={2:0}] [L688] COND TRUE 0 i < 10 VAL [data={1:0}, i=6, m={2:0}] [L688] 0 i++ VAL [data={1:0}, i=7, m={2:0}] [L688] COND TRUE 0 i < 10 VAL [data={1:0}, i=7, m={2:0}] [L688] 0 i++ VAL [data={1:0}, i=8, m={2:0}] [L688] COND TRUE 0 i < 10 VAL [data={1:0}, i=8, m={2:0}] [L688] 0 i++ VAL [data={1:0}, i=9, m={2:0}] [L688] COND TRUE 0 i < 10 VAL [data={1:0}, i=9, m={2:0}] [L688] 0 i++ VAL [data={1:0}, i=10, m={2:0}] [L688] COND FALSE 0 !(i < 10) VAL [data={1:0}, i=10, m={2:0}] [L690] 0 pthread_t id; VAL [data={1:0}, m={2:0}] [L691] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [\old(arg)={0:0}, data={1:0}, id=-1, m={2:0}] [L683] EXPR 1 data[4] VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}, m={2:0}] [L683] 1 data[4]++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}, m={2:0}] [L693] EXPR 0 data[4] VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}, id=-1, m={2:0}] [L683] 1 data[4]++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}, m={2:0}] [L693] 0 data[4]++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}, id=-1, m={2:0}] [L683] 1 data[4]++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}, m={2:0}] [L693] 0 data[4]++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}, id=-1, m={2:0}] [L683] 1 data[4]++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}, m={2:0}] [L693] 0 data[4]++ VAL [\old(arg)={0:0}, arg={0:0}, data={1:0}, id=-1, m={2:0}] Now there is a data race (on the heap) between C: data[4]++ [683] and C: data[4]++ [693] - UnprovableResult [Line: 693]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 683]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 683]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 165 locations, 7 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: 11.9s, OverallIterations: 8, TraceHistogramMax: 10, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 531 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 408 mSDsluCounter, 105 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 95 mSDsCounter, 109 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1307 IncrementalHoareTripleChecker+Invalid, 1416 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 109 mSolverCounterUnsat, 10 mSDtfsCounter, 1307 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 974 GetRequests, 848 SyntacticMatches, 11 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 809 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1764occurred in iteration=7, InterpolantAutomatonStates: 82, 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: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 1488 NumberOfCodeBlocks, 1438 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1651 ConstructedInterpolants, 0 QuantifiedInterpolants, 2549 SizeOfPredicates, 22 NumberOfNonLiveVariables, 1171 ConjunctsInSsa, 58 ConjunctsInUnsatCore, 15 InterpolantComputations, 4 PerfectInterpolantSequences, 365/888 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 RESULT: Ultimate proved your program to be incorrect! [2024-10-31 22:01:59,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a62ae8b-ebf8-4dc6-9041-174cfa5c3c60/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE