./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/06-symbeq_10-equ_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26420137-d5be-456d-ba93-3c880b089166/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26420137-d5be-456d-ba93-3c880b089166/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26420137-d5be-456d-ba93-3c880b089166/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26420137-d5be-456d-ba93-3c880b089166/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/06-symbeq_10-equ_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26420137-d5be-456d-ba93-3c880b089166/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26420137-d5be-456d-ba93-3c880b089166/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fd55bbfa1518dd7815f07d7de8c2030374bbc7b7998290c12df563b95f65f709 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:31:18,882 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:31:18,943 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26420137-d5be-456d-ba93-3c880b089166/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 04:31:18,947 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:31:18,948 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:31:18,972 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:31:18,972 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:31:18,973 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:31:18,973 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:31:18,974 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:31:18,975 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:31:18,975 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:31:18,976 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:31:18,976 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:31:18,977 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:31:18,977 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:31:18,978 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:31:18,978 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:31:18,979 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:31:18,979 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:31:18,980 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:31:18,984 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:31:18,984 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 04:31:18,985 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 04:31:18,985 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:31:18,986 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:31:18,986 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:31:18,987 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:31:18,987 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:31:18,987 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:31:18,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:31:18,988 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:31:18,988 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:31:18,989 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:31:18,989 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:31:18,989 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:31:18,989 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:31:18,990 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:31:18,990 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:31:18,990 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:31:18,990 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:31:18,990 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_26420137-d5be-456d-ba93-3c880b089166/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26420137-d5be-456d-ba93-3c880b089166/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd55bbfa1518dd7815f07d7de8c2030374bbc7b7998290c12df563b95f65f709 [2023-11-29 04:31:19,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:31:19,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:31:19,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:31:19,232 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:31:19,233 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:31:19,234 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26420137-d5be-456d-ba93-3c880b089166/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/goblint-regression/06-symbeq_10-equ_rc.i [2023-11-29 04:31:21,986 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:31:22,263 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:31:22,264 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26420137-d5be-456d-ba93-3c880b089166/sv-benchmarks/c/goblint-regression/06-symbeq_10-equ_rc.i [2023-11-29 04:31:22,280 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26420137-d5be-456d-ba93-3c880b089166/bin/uautomizer-verify-BQ2R08f2Ya/data/de2a3b742/aec32f3fe7e54767858840d3f6d53d93/FLAGe43653869 [2023-11-29 04:31:22,292 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26420137-d5be-456d-ba93-3c880b089166/bin/uautomizer-verify-BQ2R08f2Ya/data/de2a3b742/aec32f3fe7e54767858840d3f6d53d93 [2023-11-29 04:31:22,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:31:22,295 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:31:22,297 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:31:22,297 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:31:22,301 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:31:22,302 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:31:22" (1/1) ... [2023-11-29 04:31:22,303 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b0b6e75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:31:22, skipping insertion in model container [2023-11-29 04:31:22,303 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:31:22" (1/1) ... [2023-11-29 04:31:22,346 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:31:22,725 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:31:22,735 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:31:22,776 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:31:22,825 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:31:22,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:31:22 WrapperNode [2023-11-29 04:31:22,826 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:31:22,827 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:31:22,827 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:31:22,827 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:31:22,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:31:22" (1/1) ... [2023-11-29 04:31:22,849 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:31:22" (1/1) ... [2023-11-29 04:31:22,872 INFO L138 Inliner]: procedures = 266, calls = 31, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 71 [2023-11-29 04:31:22,873 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:31:22,873 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:31:22,873 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:31:22,874 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:31:22,880 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:31:22" (1/1) ... [2023-11-29 04:31:22,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:31:22" (1/1) ... [2023-11-29 04:31:22,884 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:31:22" (1/1) ... [2023-11-29 04:31:22,884 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:31:22" (1/1) ... [2023-11-29 04:31:22,892 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:31:22" (1/1) ... [2023-11-29 04:31:22,894 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:31:22" (1/1) ... [2023-11-29 04:31:22,896 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:31:22" (1/1) ... [2023-11-29 04:31:22,897 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:31:22" (1/1) ... [2023-11-29 04:31:22,900 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:31:22,901 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:31:22,901 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:31:22,902 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:31:22,902 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:31:22" (1/1) ... [2023-11-29 04:31:22,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:31:22,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26420137-d5be-456d-ba93-3c880b089166/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:31:22,928 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26420137-d5be-456d-ba93-3c880b089166/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:31:22,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26420137-d5be-456d-ba93-3c880b089166/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:31:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 04:31:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 04:31:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-29 04:31:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 04:31:22,965 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-29 04:31:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:31:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-29 04:31:22,966 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-29 04:31:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 04:31:22,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:31:22,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:31:22,968 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 04:31:23,093 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:31:23,094 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:31:23,268 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:31:23,291 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:31:23,292 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 04:31:23,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:31:23 BoogieIcfgContainer [2023-11-29 04:31:23,294 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:31:23,296 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:31:23,296 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:31:23,299 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:31:23,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:31:22" (1/3) ... [2023-11-29 04:31:23,300 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1283da8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:31:23, skipping insertion in model container [2023-11-29 04:31:23,300 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:31:22" (2/3) ... [2023-11-29 04:31:23,300 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1283da8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:31:23, skipping insertion in model container [2023-11-29 04:31:23,300 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:31:23" (3/3) ... [2023-11-29 04:31:23,302 INFO L112 eAbstractionObserver]: Analyzing ICFG 06-symbeq_10-equ_rc.i [2023-11-29 04:31:23,309 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 04:31:23,317 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:31:23,317 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-29 04:31:23,317 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 04:31:23,368 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-29 04:31:23,406 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 91 places, 88 transitions, 180 flow [2023-11-29 04:31:23,453 INFO L124 PetriNetUnfolderBase]: 1/87 cut-off events. [2023-11-29 04:31:23,453 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 04:31:23,457 INFO L83 FinitePrefix]: Finished finitePrefix Result has 91 conditions, 87 events. 1/87 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 44 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 49. Up to 2 conditions per place. [2023-11-29 04:31:23,457 INFO L82 GeneralOperation]: Start removeDead. Operand has 91 places, 88 transitions, 180 flow [2023-11-29 04:31:23,462 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 90 places, 87 transitions, 177 flow [2023-11-29 04:31:23,472 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:31:23,479 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6ea14339, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:31:23,479 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-29 04:31:23,537 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 04:31:23,537 INFO L124 PetriNetUnfolderBase]: 1/68 cut-off events. [2023-11-29 04:31:23,538 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 04:31:23,538 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:31:23,538 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:31:23,539 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-29 04:31:23,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:31:23,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1862161842, now seen corresponding path program 1 times [2023-11-29 04:31:23,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:31:23,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935240058] [2023-11-29 04:31:23,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:31:23,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:31:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:31:24,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:31:24,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:31:24,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935240058] [2023-11-29 04:31:24,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935240058] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:31:24,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:31:24,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:31:24,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610601254] [2023-11-29 04:31:24,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:31:24,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:31:24,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:31:24,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:31:24,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:31:24,587 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 70 out of 88 [2023-11-29 04:31:24,591 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 87 transitions, 177 flow. Second operand has 6 states, 6 states have (on average 71.5) internal successors, (429), 6 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:31:24,591 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:31:24,592 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 70 of 88 [2023-11-29 04:31:24,593 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:31:24,762 INFO L124 PetriNetUnfolderBase]: 79/350 cut-off events. [2023-11-29 04:31:24,762 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-29 04:31:24,764 INFO L83 FinitePrefix]: Finished finitePrefix Result has 534 conditions, 350 events. 79/350 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1525 event pairs, 25 based on Foata normal form. 0/331 useless extension candidates. Maximal degree in co-relation 477. Up to 130 conditions per place. [2023-11-29 04:31:24,768 INFO L140 encePairwiseOnDemand]: 77/88 looper letters, 21 selfloop transitions, 22 changer transitions 4/116 dead transitions. [2023-11-29 04:31:24,768 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 116 transitions, 329 flow [2023-11-29 04:31:24,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:31:24,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:31:24,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 468 transitions. [2023-11-29 04:31:24,784 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8863636363636364 [2023-11-29 04:31:24,784 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 468 transitions. [2023-11-29 04:31:24,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 468 transitions. [2023-11-29 04:31:24,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:31:24,790 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 468 transitions. [2023-11-29 04:31:24,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 78.0) internal successors, (468), 6 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:31:24,800 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 88.0) internal successors, (616), 7 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:31:24,801 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 88.0) internal successors, (616), 7 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:31:24,803 INFO L175 Difference]: Start difference. First operand has 90 places, 87 transitions, 177 flow. Second operand 6 states and 468 transitions. [2023-11-29 04:31:24,804 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 116 transitions, 329 flow [2023-11-29 04:31:24,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 116 transitions, 328 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 04:31:24,811 INFO L231 Difference]: Finished difference. Result has 99 places, 108 transitions, 326 flow [2023-11-29 04:31:24,813 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=88, PETRI_DIFFERENCE_MINUEND_FLOW=176, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=87, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=326, PETRI_PLACES=99, PETRI_TRANSITIONS=108} [2023-11-29 04:31:24,817 INFO L281 CegarLoopForPetriNet]: 90 programPoint places, 9 predicate places. [2023-11-29 04:31:24,817 INFO L495 AbstractCegarLoop]: Abstraction has has 99 places, 108 transitions, 326 flow [2023-11-29 04:31:24,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 71.5) internal successors, (429), 6 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:31:24,818 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:31:24,818 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:31:24,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 04:31:24,818 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-29 04:31:24,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:31:24,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1718186149, now seen corresponding path program 1 times [2023-11-29 04:31:24,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:31:24,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [11147856] [2023-11-29 04:31:24,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:31:24,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:31:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:31:25,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:31:25,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:31:25,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [11147856] [2023-11-29 04:31:25,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [11147856] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:31:25,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:31:25,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:31:25,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034612278] [2023-11-29 04:31:25,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:31:25,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 04:31:25,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:31:25,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 04:31:25,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 04:31:25,282 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 67 out of 88 [2023-11-29 04:31:25,283 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 99 places, 108 transitions, 326 flow. Second operand has 6 states, 6 states have (on average 68.83333333333333) internal successors, (413), 6 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:31:25,283 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:31:25,283 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 67 of 88 [2023-11-29 04:31:25,283 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:31:25,479 INFO L124 PetriNetUnfolderBase]: 132/491 cut-off events. [2023-11-29 04:31:25,479 INFO L125 PetriNetUnfolderBase]: For 136/144 co-relation queries the response was YES. [2023-11-29 04:31:25,483 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1084 conditions, 491 events. 132/491 cut-off events. For 136/144 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2399 event pairs, 31 based on Foata normal form. 0/478 useless extension candidates. Maximal degree in co-relation 1021. Up to 218 conditions per place. [2023-11-29 04:31:25,485 INFO L140 encePairwiseOnDemand]: 77/88 looper letters, 39 selfloop transitions, 29 changer transitions 7/143 dead transitions. [2023-11-29 04:31:25,486 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 143 transitions, 616 flow [2023-11-29 04:31:25,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 04:31:25,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 04:31:25,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 453 transitions. [2023-11-29 04:31:25,489 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8579545454545454 [2023-11-29 04:31:25,489 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 453 transitions. [2023-11-29 04:31:25,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 453 transitions. [2023-11-29 04:31:25,489 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:31:25,490 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 453 transitions. [2023-11-29 04:31:25,492 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 75.5) internal successors, (453), 6 states have internal predecessors, (453), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:31:25,494 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 88.0) internal successors, (616), 7 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:31:25,495 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 88.0) internal successors, (616), 7 states have internal predecessors, (616), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:31:25,495 INFO L175 Difference]: Start difference. First operand has 99 places, 108 transitions, 326 flow. Second operand 6 states and 453 transitions. [2023-11-29 04:31:25,495 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 143 transitions, 616 flow [2023-11-29 04:31:25,500 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 143 transitions, 616 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 04:31:25,504 INFO L231 Difference]: Finished difference. Result has 109 places, 132 transitions, 580 flow [2023-11-29 04:31:25,505 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=88, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=91, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=580, PETRI_PLACES=109, PETRI_TRANSITIONS=132} [2023-11-29 04:31:25,506 INFO L281 CegarLoopForPetriNet]: 90 programPoint places, 19 predicate places. [2023-11-29 04:31:25,506 INFO L495 AbstractCegarLoop]: Abstraction has has 109 places, 132 transitions, 580 flow [2023-11-29 04:31:25,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 68.83333333333333) internal successors, (413), 6 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:31:25,506 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:31:25,507 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:31:25,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 04:31:25,507 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-29 04:31:25,508 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:31:25,508 INFO L85 PathProgramCache]: Analyzing trace with hash 662541128, now seen corresponding path program 1 times [2023-11-29 04:31:25,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:31:25,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482258834] [2023-11-29 04:31:25,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:31:25,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:31:25,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:31:26,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:31:26,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:31:26,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482258834] [2023-11-29 04:31:26,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482258834] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:31:26,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:31:26,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 04:31:26,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097638255] [2023-11-29 04:31:26,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:31:26,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 04:31:26,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:31:26,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 04:31:26,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-29 04:31:26,519 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 88 [2023-11-29 04:31:26,521 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 132 transitions, 580 flow. Second operand has 11 states, 11 states have (on average 63.54545454545455) internal successors, (699), 11 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:31:26,521 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:31:26,521 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 88 [2023-11-29 04:31:26,521 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:31:26,990 INFO L124 PetriNetUnfolderBase]: 275/934 cut-off events. [2023-11-29 04:31:26,990 INFO L125 PetriNetUnfolderBase]: For 701/701 co-relation queries the response was YES. [2023-11-29 04:31:26,995 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2663 conditions, 934 events. 275/934 cut-off events. For 701/701 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 5945 event pairs, 60 based on Foata normal form. 11/936 useless extension candidates. Maximal degree in co-relation 1566. Up to 285 conditions per place. [2023-11-29 04:31:27,000 INFO L140 encePairwiseOnDemand]: 72/88 looper letters, 118 selfloop transitions, 38 changer transitions 19/238 dead transitions. [2023-11-29 04:31:27,000 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 238 transitions, 1592 flow [2023-11-29 04:31:27,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 04:31:27,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-29 04:31:27,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 765 transitions. [2023-11-29 04:31:27,003 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7902892561983471 [2023-11-29 04:31:27,004 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 765 transitions. [2023-11-29 04:31:27,004 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 765 transitions. [2023-11-29 04:31:27,004 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:31:27,005 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 765 transitions. [2023-11-29 04:31:27,007 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 69.54545454545455) internal successors, (765), 11 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:31:27,010 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 88.0) internal successors, (1056), 12 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:31:27,011 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 88.0) internal successors, (1056), 12 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:31:27,011 INFO L175 Difference]: Start difference. First operand has 109 places, 132 transitions, 580 flow. Second operand 11 states and 765 transitions. [2023-11-29 04:31:27,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 238 transitions, 1592 flow [2023-11-29 04:31:27,025 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 238 transitions, 1556 flow, removed 18 selfloop flow, removed 0 redundant places. [2023-11-29 04:31:27,030 INFO L231 Difference]: Finished difference. Result has 127 places, 166 transitions, 1007 flow [2023-11-29 04:31:27,031 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=88, PETRI_DIFFERENCE_MINUEND_FLOW=562, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1007, PETRI_PLACES=127, PETRI_TRANSITIONS=166} [2023-11-29 04:31:27,032 INFO L281 CegarLoopForPetriNet]: 90 programPoint places, 37 predicate places. [2023-11-29 04:31:27,032 INFO L495 AbstractCegarLoop]: Abstraction has has 127 places, 166 transitions, 1007 flow [2023-11-29 04:31:27,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.54545454545455) internal successors, (699), 11 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:31:27,033 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:31:27,033 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:31:27,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 04:31:27,033 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-29 04:31:27,034 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:31:27,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1391660962, now seen corresponding path program 1 times [2023-11-29 04:31:27,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:31:27,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371456577] [2023-11-29 04:31:27,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:31:27,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:31:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:31:27,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:31:27,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:31:27,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371456577] [2023-11-29 04:31:27,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371456577] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:31:27,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:31:27,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 04:31:27,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853197048] [2023-11-29 04:31:27,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:31:27,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 04:31:27,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:31:27,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 04:31:27,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-29 04:31:28,147 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 88 [2023-11-29 04:31:28,148 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 166 transitions, 1007 flow. Second operand has 11 states, 11 states have (on average 63.54545454545455) internal successors, (699), 11 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:31:28,148 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 04:31:28,149 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 88 [2023-11-29 04:31:28,149 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 04:31:28,610 INFO L124 PetriNetUnfolderBase]: 243/886 cut-off events. [2023-11-29 04:31:28,610 INFO L125 PetriNetUnfolderBase]: For 1296/1348 co-relation queries the response was YES. [2023-11-29 04:31:28,614 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2929 conditions, 886 events. 243/886 cut-off events. For 1296/1348 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 5612 event pairs, 55 based on Foata normal form. 16/898 useless extension candidates. Maximal degree in co-relation 2259. Up to 266 conditions per place. [2023-11-29 04:31:28,619 INFO L140 encePairwiseOnDemand]: 72/88 looper letters, 103 selfloop transitions, 38 changer transitions 32/236 dead transitions. [2023-11-29 04:31:28,619 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 236 transitions, 1871 flow [2023-11-29 04:31:28,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 04:31:28,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-29 04:31:28,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 758 transitions. [2023-11-29 04:31:28,622 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7830578512396694 [2023-11-29 04:31:28,622 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 758 transitions. [2023-11-29 04:31:28,623 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 758 transitions. [2023-11-29 04:31:28,623 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 04:31:28,623 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 758 transitions. [2023-11-29 04:31:28,626 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 68.9090909090909) internal successors, (758), 11 states have internal predecessors, (758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:31:28,628 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 88.0) internal successors, (1056), 12 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:31:28,629 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 88.0) internal successors, (1056), 12 states have internal predecessors, (1056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:31:28,629 INFO L175 Difference]: Start difference. First operand has 127 places, 166 transitions, 1007 flow. Second operand 11 states and 758 transitions. [2023-11-29 04:31:28,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 236 transitions, 1871 flow [2023-11-29 04:31:28,644 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 236 transitions, 1864 flow, removed 2 selfloop flow, removed 2 redundant places. [2023-11-29 04:31:28,649 INFO L231 Difference]: Finished difference. Result has 142 places, 182 transitions, 1295 flow [2023-11-29 04:31:28,650 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=88, PETRI_DIFFERENCE_MINUEND_FLOW=1000, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=166, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1295, PETRI_PLACES=142, PETRI_TRANSITIONS=182} [2023-11-29 04:31:28,651 INFO L281 CegarLoopForPetriNet]: 90 programPoint places, 52 predicate places. [2023-11-29 04:31:28,651 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 182 transitions, 1295 flow [2023-11-29 04:31:28,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 63.54545454545455) internal successors, (699), 11 states have internal predecessors, (699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 04:31:28,652 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 04:31:28,652 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:31:28,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 04:31:28,652 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2023-11-29 04:31:28,653 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:31:28,653 INFO L85 PathProgramCache]: Analyzing trace with hash -184920139, now seen corresponding path program 1 times [2023-11-29 04:31:28,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:31:28,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850387335] [2023-11-29 04:31:28,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:31:28,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:31:28,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:31:28,684 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:31:28,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:31:28,726 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:31:28,726 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 04:31:28,727 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2023-11-29 04:31:28,729 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (2 of 4 remaining) [2023-11-29 04:31:28,730 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-11-29 04:31:28,730 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 4 remaining) [2023-11-29 04:31:28,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 04:31:28,730 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-29 04:31:28,736 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 04:31:28,736 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 04:31:28,767 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-29 04:31:28,769 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre8 could not be translated [2023-11-29 04:31:28,770 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet3 could not be translated [2023-11-29 04:31:28,770 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated [2023-11-29 04:31:28,770 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet3 could not be translated [2023-11-29 04:31:28,771 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet3 could not be translated [2023-11-29 04:31:28,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 04:31:28 BasicIcfg [2023-11-29 04:31:28,778 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 04:31:28,779 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:31:28,779 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:31:28,779 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:31:28,780 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:31:23" (3/4) ... [2023-11-29 04:31:28,782 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 04:31:28,783 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:31:28,784 INFO L158 Benchmark]: Toolchain (without parser) took 6488.06ms. Allocated memory was 153.1MB in the beginning and 197.1MB in the end (delta: 44.0MB). Free memory was 118.8MB in the beginning and 152.5MB in the end (delta: -33.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 04:31:28,784 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 153.1MB. Free memory is still 124.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:31:28,784 INFO L158 Benchmark]: CACSL2BoogieTranslator took 529.49ms. Allocated memory is still 153.1MB. Free memory was 118.8MB in the beginning and 90.7MB in the end (delta: 28.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-29 04:31:28,785 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.13ms. Allocated memory is still 153.1MB. Free memory was 90.2MB in the beginning and 88.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:31:28,785 INFO L158 Benchmark]: Boogie Preprocessor took 27.24ms. Allocated memory is still 153.1MB. Free memory was 88.1MB in the beginning and 86.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:31:28,786 INFO L158 Benchmark]: RCFGBuilder took 392.47ms. Allocated memory is still 153.1MB. Free memory was 86.5MB in the beginning and 69.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 04:31:28,786 INFO L158 Benchmark]: TraceAbstraction took 5482.58ms. Allocated memory was 153.1MB in the beginning and 197.1MB in the end (delta: 44.0MB). Free memory was 69.2MB in the beginning and 153.6MB in the end (delta: -84.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:31:28,787 INFO L158 Benchmark]: Witness Printer took 3.70ms. Allocated memory is still 197.1MB. Free memory was 153.6MB in the beginning and 152.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:31:28,790 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 153.1MB. Free memory is still 124.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 529.49ms. Allocated memory is still 153.1MB. Free memory was 118.8MB in the beginning and 90.7MB in the end (delta: 28.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.13ms. Allocated memory is still 153.1MB. Free memory was 90.2MB in the beginning and 88.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.24ms. Allocated memory is still 153.1MB. Free memory was 88.1MB in the beginning and 86.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 392.47ms. Allocated memory is still 153.1MB. Free memory was 86.5MB in the beginning and 69.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5482.58ms. Allocated memory was 153.1MB in the beginning and 197.1MB in the end (delta: 44.0MB). Free memory was 69.2MB in the beginning and 153.6MB in the end (delta: -84.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.70ms. Allocated memory is still 197.1MB. Free memory was 153.6MB in the beginning and 152.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet3 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet3 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet3 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 996]: Data race detected [2023-11-29 04:31:28,809 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-29 04:31:28,810 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre8 could not be translated [2023-11-29 04:31:28,811 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet3 could not be translated [2023-11-29 04:31:28,811 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet3 could not be translated [2023-11-29 04:31:28,812 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated [2023-11-29 04:31:28,812 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet3 could not be translated [2023-11-29 04:31:28,821 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-29 04:31:28,822 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre8 could not be translated [2023-11-29 04:31:28,823 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet3 could not be translated [2023-11-29 04:31:28,823 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet3 could not be translated [2023-11-29 04:31:28,823 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated [2023-11-29 04:31:28,824 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet3 could not be translated Data race detected The following path leads to a data race: [L989-L993] 0 struct s { int datum; struct q inside; pthread_mutex_t mutex; } A, B; VAL [A={1:0}, B={2:0}] [L1003] 0 int x = __VERIFIER_nondet_int(); VAL [A={1:0}, B={2:0}, x=0] [L1004] 0 pthread_t id; VAL [A={1:0}, B={2:0}, id={6:0}, x=0] [L1005] 0 struct s *s; VAL [A={1:0}, B={2:0}, id={6:0}, x=0] [L1006] 0 int *d; VAL [A={1:0}, B={2:0}, id={6:0}, x=0] [L1007] 0 pthread_mutex_t *m; VAL [A={1:0}, B={2:0}, id={6:0}, x=0] [L1008] COND FALSE 0 !(\read(x)) VAL [A={1:0}, B={2:0}, id={6:0}, x=0] [L1012] 0 s = &B VAL [A={1:0}, B={2:0}, id={6:0}, s={2:0}, x=0] [L1013] 0 x++ VAL [A={1:0}, B={2:0}, id={6:0}, s={2:0}, x=1] [L1015] 0 m = &s->mutex VAL [A={1:0}, B={2:0}, id={6:0}, m={2:12}, s={2:0}, x=1] [L1016] 0 d = &s->datum VAL [A={1:0}, B={2:0}, d={2:0}, id={6:0}, m={2:12}, s={2:0}, x=1] [L1017] FCALL, FORK 0 pthread_create(&id,((void *)0),t_fun,((void *)0)) VAL [A={1:0}, B={2:0}, arg={0:0}, d={2:0}, id={6:0}, m={2:12}, s={2:0}, x=1] [L1019] 0 *d = 8 VAL [A={1:0}, B={2:0}, arg={0:0}, d={2:0}, id={6:0}, m={2:12}, s={2:0}, x=1] [L996] 1 B.datum = 5 VAL [A={1:0}, B={2:0}, arg={0:0}, arg={0:0}] [L1019] 0 *d = 8 VAL [A={1:0}, B={2:0}, arg={0:0}, arg={0:0}, d={2:0}, id={6:0}, m={2:12}, s={2:0}, x=1] [L996] 1 B.datum = 5 VAL [A={1:0}, B={2:0}, arg={0:0}, arg={0:0}] Now there is a data race (on the heap) between C: *d = 8 [1019] and C: B.datum = 5 [996] - UnprovableResult [Line: 1019]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1017]: 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 106 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 5.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 841 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 697 mSDsluCounter, 659 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 639 mSDsCounter, 66 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2583 IncrementalHoareTripleChecker+Invalid, 2649 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 66 mSolverCounterUnsat, 20 mSDtfsCounter, 2583 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1295occurred in iteration=4, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 297 NumberOfCodeBlocks, 297 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 231 ConstructedInterpolants, 0 QuantifiedInterpolants, 995 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-11-29 04:31:28,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26420137-d5be-456d-ba93-3c880b089166/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE