./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_15-fldunknown_access.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e04fb08f 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_e47ef273-1689-4921-8dbd-628e63f7a1ac/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47ef273-1689-4921-8dbd-628e63f7a1ac/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47ef273-1689-4921-8dbd-628e63f7a1ac/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47ef273-1689-4921-8dbd-628e63f7a1ac/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_15-fldunknown_access.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47ef273-1689-4921-8dbd-628e63f7a1ac/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47ef273-1689-4921-8dbd-628e63f7a1ac/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a138099a172ffd618c200f98f002dd42af622d442f084454d63ab9b76b3cf563 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:26:00,101 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:26:00,104 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:26:00,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:26:00,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:26:00,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:26:00,138 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:26:00,140 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:26:00,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:26:00,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:26:00,145 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:26:00,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:26:00,147 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:26:00,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:26:00,150 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:26:00,151 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:26:00,152 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:26:00,153 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:26:00,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:26:00,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:26:00,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:26:00,173 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:26:00,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:26:00,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:26:00,180 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:26:00,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:26:00,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:26:00,189 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:26:00,189 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:26:00,190 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:26:00,192 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:26:00,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:26:00,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:26:00,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:26:00,200 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:26:00,201 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:26:00,203 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:26:00,203 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:26:00,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:26:00,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:26:00,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:26:00,207 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47ef273-1689-4921-8dbd-628e63f7a1ac/bin/uautomizer-tPACEb0tL8/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-11-16 12:26:00,263 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:26:00,265 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:26:00,266 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:26:00,266 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:26:00,268 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:26:00,269 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:26:00,270 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:26:00,270 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:26:00,270 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:26:00,271 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:26:00,272 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:26:00,272 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:26:00,272 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:26:00,273 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:26:00,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:26:00,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:26:00,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:26:00,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:26:00,274 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-16 12:26:00,274 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:26:00,274 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:26:00,274 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:26:00,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:26:00,275 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:26:00,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:26:00,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:26:00,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:26:00,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:26:00,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:26:00,278 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:26:00,278 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:26:00,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:26:00,279 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:26:00,279 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:26:00,279 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:26:00,280 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_e47ef273-1689-4921-8dbd-628e63f7a1ac/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47ef273-1689-4921-8dbd-628e63f7a1ac/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a138099a172ffd618c200f98f002dd42af622d442f084454d63ab9b76b3cf563 [2022-11-16 12:26:00,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:26:00,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:26:00,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:26:00,684 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:26:00,685 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:26:00,686 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47ef273-1689-4921-8dbd-628e63f7a1ac/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/goblint-regression/05-lval_ls_15-fldunknown_access.i [2022-11-16 12:26:00,771 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47ef273-1689-4921-8dbd-628e63f7a1ac/bin/uautomizer-tPACEb0tL8/data/b43b70005/b503c68efa5f482fb8c33780b2b7be89/FLAG6b7052d6f [2022-11-16 12:26:01,305 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:26:01,305 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47ef273-1689-4921-8dbd-628e63f7a1ac/sv-benchmarks/c/goblint-regression/05-lval_ls_15-fldunknown_access.i [2022-11-16 12:26:01,322 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47ef273-1689-4921-8dbd-628e63f7a1ac/bin/uautomizer-tPACEb0tL8/data/b43b70005/b503c68efa5f482fb8c33780b2b7be89/FLAG6b7052d6f [2022-11-16 12:26:01,591 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47ef273-1689-4921-8dbd-628e63f7a1ac/bin/uautomizer-tPACEb0tL8/data/b43b70005/b503c68efa5f482fb8c33780b2b7be89 [2022-11-16 12:26:01,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:26:01,596 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:26:01,603 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:26:01,603 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:26:01,608 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:26:01,609 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:26:01" (1/1) ... [2022-11-16 12:26:01,612 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5927b08d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:01, skipping insertion in model container [2022-11-16 12:26:01,612 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:26:01" (1/1) ... [2022-11-16 12:26:01,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:26:01,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:26:02,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:26:02,326 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:26:02,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:26:02,429 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:26:02,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:02 WrapperNode [2022-11-16 12:26:02,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:26:02,431 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:26:02,431 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:26:02,431 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:26:02,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:02" (1/1) ... [2022-11-16 12:26:02,460 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:02" (1/1) ... [2022-11-16 12:26:02,489 INFO L138 Inliner]: procedures = 262, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2022-11-16 12:26:02,490 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:26:02,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:26:02,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:26:02,492 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:26:02,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:02" (1/1) ... [2022-11-16 12:26:02,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:02" (1/1) ... [2022-11-16 12:26:02,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:02" (1/1) ... [2022-11-16 12:26:02,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:02" (1/1) ... [2022-11-16 12:26:02,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:02" (1/1) ... [2022-11-16 12:26:02,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:02" (1/1) ... [2022-11-16 12:26:02,526 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:02" (1/1) ... [2022-11-16 12:26:02,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:02" (1/1) ... [2022-11-16 12:26:02,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:26:02,530 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:26:02,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:26:02,531 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:26:02,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:02" (1/1) ... [2022-11-16 12:26:02,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:26:02,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47ef273-1689-4921-8dbd-628e63f7a1ac/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:26:02,578 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47ef273-1689-4921-8dbd-628e63f7a1ac/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:26:02,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47ef273-1689-4921-8dbd-628e63f7a1ac/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:26:02,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:26:02,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:26:02,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:26:02,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:26:02,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:26:02,635 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-16 12:26:02,636 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-16 12:26:02,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:26:02,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:26:02,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:26:02,638 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 12:26:02,843 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:26:02,845 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:26:03,124 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:26:03,132 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:26:03,132 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 12:26:03,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:26:03 BoogieIcfgContainer [2022-11-16 12:26:03,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:26:03,138 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:26:03,138 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:26:03,161 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:26:03,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:26:01" (1/3) ... [2022-11-16 12:26:03,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32aec206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:26:03, skipping insertion in model container [2022-11-16 12:26:03,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:26:02" (2/3) ... [2022-11-16 12:26:03,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32aec206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:26:03, skipping insertion in model container [2022-11-16 12:26:03,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:26:03" (3/3) ... [2022-11-16 12:26:03,165 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_15-fldunknown_access.i [2022-11-16 12:26:03,175 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 12:26:03,191 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:26:03,191 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-16 12:26:03,192 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 12:26:03,297 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-16 12:26:03,344 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 78 places, 75 transitions, 155 flow [2022-11-16 12:26:03,394 INFO L130 PetriNetUnfolder]: 1/74 cut-off events. [2022-11-16 12:26:03,395 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 12:26:03,399 INFO L83 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 74 events. 1/74 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 54 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 24. Up to 2 conditions per place. [2022-11-16 12:26:03,399 INFO L82 GeneralOperation]: Start removeDead. Operand has 78 places, 75 transitions, 155 flow [2022-11-16 12:26:03,404 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 77 places, 74 transitions, 151 flow [2022-11-16 12:26:03,416 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:26:03,424 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2772f5b8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:26:03,424 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-11-16 12:26:03,436 INFO L130 PetriNetUnfolder]: 1/37 cut-off events. [2022-11-16 12:26:03,437 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-16 12:26:03,437 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:03,438 INFO L209 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] [2022-11-16 12:26:03,438 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-16 12:26:03,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:03,444 INFO L85 PathProgramCache]: Analyzing trace with hash 2133241789, now seen corresponding path program 1 times [2022-11-16 12:26:03,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:03,456 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141472660] [2022-11-16 12:26:03,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:03,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:04,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:04,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:04,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141472660] [2022-11-16 12:26:04,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141472660] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:04,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:04,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:26:04,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662363061] [2022-11-16 12:26:04,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:04,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:26:04,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:04,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:26:04,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:26:04,517 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 43 out of 75 [2022-11-16 12:26:04,521 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 74 transitions, 151 flow. Second operand has 6 states, 6 states have (on average 44.833333333333336) internal successors, (269), 6 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:04,521 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:04,521 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 43 of 75 [2022-11-16 12:26:04,522 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:05,151 INFO L130 PetriNetUnfolder]: 192/659 cut-off events. [2022-11-16 12:26:05,151 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-16 12:26:05,155 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1084 conditions, 659 events. 192/659 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 3556 event pairs, 86 based on Foata normal form. 0/601 useless extension candidates. Maximal degree in co-relation 1048. Up to 289 conditions per place. [2022-11-16 12:26:05,161 INFO L137 encePairwiseOnDemand]: 64/75 looper letters, 64 selfloop transitions, 22 changer transitions 0/128 dead transitions. [2022-11-16 12:26:05,161 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 128 transitions, 431 flow [2022-11-16 12:26:05,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:26:05,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:26:05,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 345 transitions. [2022-11-16 12:26:05,180 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7666666666666667 [2022-11-16 12:26:05,181 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 345 transitions. [2022-11-16 12:26:05,182 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 345 transitions. [2022-11-16 12:26:05,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:05,188 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 345 transitions. [2022-11-16 12:26:05,192 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 57.5) internal successors, (345), 6 states have internal predecessors, (345), 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) [2022-11-16 12:26:05,200 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 75.0) internal successors, (525), 7 states have internal predecessors, (525), 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) [2022-11-16 12:26:05,201 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 75.0) internal successors, (525), 7 states have internal predecessors, (525), 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) [2022-11-16 12:26:05,203 INFO L175 Difference]: Start difference. First operand has 77 places, 74 transitions, 151 flow. Second operand 6 states and 345 transitions. [2022-11-16 12:26:05,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 128 transitions, 431 flow [2022-11-16 12:26:05,209 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 128 transitions, 430 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-11-16 12:26:05,213 INFO L231 Difference]: Finished difference. Result has 86 places, 95 transitions, 300 flow [2022-11-16 12:26:05,216 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=150, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=300, PETRI_PLACES=86, PETRI_TRANSITIONS=95} [2022-11-16 12:26:05,222 INFO L288 CegarLoopForPetriNet]: 77 programPoint places, 9 predicate places. [2022-11-16 12:26:05,222 INFO L495 AbstractCegarLoop]: Abstraction has has 86 places, 95 transitions, 300 flow [2022-11-16 12:26:05,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 44.833333333333336) internal successors, (269), 6 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:05,223 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:05,223 INFO L209 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] [2022-11-16 12:26:05,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:26:05,224 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-16 12:26:05,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:05,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1518028846, now seen corresponding path program 1 times [2022-11-16 12:26:05,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:05,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335118974] [2022-11-16 12:26:05,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:05,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:05,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:05,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:05,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:05,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335118974] [2022-11-16 12:26:05,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335118974] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:05,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:05,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:26:05,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413138247] [2022-11-16 12:26:05,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:05,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:26:05,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:05,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:26:05,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:26:05,620 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 44 out of 75 [2022-11-16 12:26:05,621 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 95 transitions, 300 flow. Second operand has 6 states, 6 states have (on average 45.666666666666664) internal successors, (274), 6 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:05,621 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:05,622 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 44 of 75 [2022-11-16 12:26:05,622 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:05,998 INFO L130 PetriNetUnfolder]: 209/737 cut-off events. [2022-11-16 12:26:05,999 INFO L131 PetriNetUnfolder]: For 229/237 co-relation queries the response was YES. [2022-11-16 12:26:06,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1492 conditions, 737 events. 209/737 cut-off events. For 229/237 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 4215 event pairs, 61 based on Foata normal form. 0/687 useless extension candidates. Maximal degree in co-relation 1453. Up to 339 conditions per place. [2022-11-16 12:26:06,007 INFO L137 encePairwiseOnDemand]: 64/75 looper letters, 76 selfloop transitions, 26 changer transitions 0/145 dead transitions. [2022-11-16 12:26:06,007 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 145 transitions, 694 flow [2022-11-16 12:26:06,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:26:06,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:26:06,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 346 transitions. [2022-11-16 12:26:06,010 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7688888888888888 [2022-11-16 12:26:06,010 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 346 transitions. [2022-11-16 12:26:06,011 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 346 transitions. [2022-11-16 12:26:06,011 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:06,011 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 346 transitions. [2022-11-16 12:26:06,013 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 57.666666666666664) internal successors, (346), 6 states have internal predecessors, (346), 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) [2022-11-16 12:26:06,015 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 75.0) internal successors, (525), 7 states have internal predecessors, (525), 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) [2022-11-16 12:26:06,016 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 75.0) internal successors, (525), 7 states have internal predecessors, (525), 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) [2022-11-16 12:26:06,016 INFO L175 Difference]: Start difference. First operand has 86 places, 95 transitions, 300 flow. Second operand 6 states and 346 transitions. [2022-11-16 12:26:06,016 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 145 transitions, 694 flow [2022-11-16 12:26:06,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 145 transitions, 694 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 12:26:06,024 INFO L231 Difference]: Finished difference. Result has 96 places, 116 transitions, 484 flow [2022-11-16 12:26:06,025 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=484, PETRI_PLACES=96, PETRI_TRANSITIONS=116} [2022-11-16 12:26:06,026 INFO L288 CegarLoopForPetriNet]: 77 programPoint places, 19 predicate places. [2022-11-16 12:26:06,026 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 116 transitions, 484 flow [2022-11-16 12:26:06,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 45.666666666666664) internal successors, (274), 6 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:06,027 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:06,027 INFO L209 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] [2022-11-16 12:26:06,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:26:06,028 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-16 12:26:06,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:06,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1478892226, now seen corresponding path program 1 times [2022-11-16 12:26:06,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:06,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527868294] [2022-11-16 12:26:06,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:06,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:06,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:06,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:06,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:06,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527868294] [2022-11-16 12:26:06,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527868294] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:06,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:06,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:26:06,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708449289] [2022-11-16 12:26:06,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:06,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:26:06,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:06,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:26:06,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:26:06,359 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 75 [2022-11-16 12:26:06,360 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 116 transitions, 484 flow. Second operand has 6 states, 6 states have (on average 44.0) internal successors, (264), 6 states have internal predecessors, (264), 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) [2022-11-16 12:26:06,360 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:06,361 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 75 [2022-11-16 12:26:06,361 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:06,867 INFO L130 PetriNetUnfolder]: 301/988 cut-off events. [2022-11-16 12:26:06,867 INFO L131 PetriNetUnfolder]: For 588/601 co-relation queries the response was YES. [2022-11-16 12:26:06,880 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2370 conditions, 988 events. 301/988 cut-off events. For 588/601 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 6162 event pairs, 88 based on Foata normal form. 4/937 useless extension candidates. Maximal degree in co-relation 2325. Up to 540 conditions per place. [2022-11-16 12:26:06,885 INFO L137 encePairwiseOnDemand]: 60/75 looper letters, 83 selfloop transitions, 53 changer transitions 4/180 dead transitions. [2022-11-16 12:26:06,886 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 180 transitions, 1052 flow [2022-11-16 12:26:06,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:26:06,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:26:06,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 334 transitions. [2022-11-16 12:26:06,888 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7422222222222222 [2022-11-16 12:26:06,888 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 334 transitions. [2022-11-16 12:26:06,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 334 transitions. [2022-11-16 12:26:06,889 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:06,889 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 334 transitions. [2022-11-16 12:26:06,890 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 55.666666666666664) internal successors, (334), 6 states have internal predecessors, (334), 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) [2022-11-16 12:26:06,893 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 75.0) internal successors, (525), 7 states have internal predecessors, (525), 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) [2022-11-16 12:26:06,894 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 75.0) internal successors, (525), 7 states have internal predecessors, (525), 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) [2022-11-16 12:26:06,894 INFO L175 Difference]: Start difference. First operand has 96 places, 116 transitions, 484 flow. Second operand 6 states and 334 transitions. [2022-11-16 12:26:06,894 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 180 transitions, 1052 flow [2022-11-16 12:26:06,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 180 transitions, 1052 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-11-16 12:26:06,913 INFO L231 Difference]: Finished difference. Result has 106 places, 163 transitions, 966 flow [2022-11-16 12:26:06,914 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=484, PETRI_DIFFERENCE_MINUEND_PLACES=96, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=90, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=966, PETRI_PLACES=106, PETRI_TRANSITIONS=163} [2022-11-16 12:26:06,917 INFO L288 CegarLoopForPetriNet]: 77 programPoint places, 29 predicate places. [2022-11-16 12:26:06,917 INFO L495 AbstractCegarLoop]: Abstraction has has 106 places, 163 transitions, 966 flow [2022-11-16 12:26:06,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 44.0) internal successors, (264), 6 states have internal predecessors, (264), 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) [2022-11-16 12:26:06,918 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:06,919 INFO L209 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] [2022-11-16 12:26:06,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:26:06,919 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-16 12:26:06,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:06,922 INFO L85 PathProgramCache]: Analyzing trace with hash -161019237, now seen corresponding path program 1 times [2022-11-16 12:26:06,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:06,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98425564] [2022-11-16 12:26:06,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:06,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:06,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:26:07,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:26:07,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:26:07,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98425564] [2022-11-16 12:26:07,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98425564] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:26:07,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:26:07,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:26:07,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933024689] [2022-11-16 12:26:07,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:26:07,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:26:07,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:26:07,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:26:07,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:26:07,326 INFO L478 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 75 [2022-11-16 12:26:07,326 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 163 transitions, 966 flow. Second operand has 6 states, 6 states have (on average 44.833333333333336) internal successors, (269), 6 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:07,327 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-11-16 12:26:07,327 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 75 [2022-11-16 12:26:07,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-11-16 12:26:07,841 INFO L130 PetriNetUnfolder]: 392/1147 cut-off events. [2022-11-16 12:26:07,842 INFO L131 PetriNetUnfolder]: For 1445/1455 co-relation queries the response was YES. [2022-11-16 12:26:07,848 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3529 conditions, 1147 events. 392/1147 cut-off events. For 1445/1455 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 7146 event pairs, 89 based on Foata normal form. 0/1118 useless extension candidates. Maximal degree in co-relation 3480. Up to 687 conditions per place. [2022-11-16 12:26:07,854 INFO L137 encePairwiseOnDemand]: 60/75 looper letters, 119 selfloop transitions, 58 changer transitions 15/234 dead transitions. [2022-11-16 12:26:07,855 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 234 transitions, 1768 flow [2022-11-16 12:26:07,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:26:07,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-11-16 12:26:07,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 339 transitions. [2022-11-16 12:26:07,857 INFO L523 CegarLoopForPetriNet]: DFA transition density 0.7533333333333333 [2022-11-16 12:26:07,857 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 339 transitions. [2022-11-16 12:26:07,857 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 339 transitions. [2022-11-16 12:26:07,858 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:26:07,859 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 339 transitions. [2022-11-16 12:26:07,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 56.5) internal successors, (339), 6 states have internal predecessors, (339), 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) [2022-11-16 12:26:07,863 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 75.0) internal successors, (525), 7 states have internal predecessors, (525), 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) [2022-11-16 12:26:07,863 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 75.0) internal successors, (525), 7 states have internal predecessors, (525), 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) [2022-11-16 12:26:07,863 INFO L175 Difference]: Start difference. First operand has 106 places, 163 transitions, 966 flow. Second operand 6 states and 339 transitions. [2022-11-16 12:26:07,864 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 234 transitions, 1768 flow [2022-11-16 12:26:07,885 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 234 transitions, 1704 flow, removed 32 selfloop flow, removed 0 redundant places. [2022-11-16 12:26:07,894 INFO L231 Difference]: Finished difference. Result has 116 places, 207 transitions, 1458 flow [2022-11-16 12:26:07,895 INFO L271 CegarLoopForPetriNet]: {PETRI_ALPHABET=75, PETRI_DIFFERENCE_MINUEND_FLOW=908, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=132, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1458, PETRI_PLACES=116, PETRI_TRANSITIONS=207} [2022-11-16 12:26:07,897 INFO L288 CegarLoopForPetriNet]: 77 programPoint places, 39 predicate places. [2022-11-16 12:26:07,897 INFO L495 AbstractCegarLoop]: Abstraction has has 116 places, 207 transitions, 1458 flow [2022-11-16 12:26:07,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 44.833333333333336) internal successors, (269), 6 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:26:07,899 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-16 12:26:07,899 INFO L209 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] [2022-11-16 12:26:07,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:26:07,908 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-11-16 12:26:07,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:26:07,910 INFO L85 PathProgramCache]: Analyzing trace with hash -764700992, now seen corresponding path program 1 times [2022-11-16 12:26:07,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:26:07,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094654444] [2022-11-16 12:26:07,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:26:07,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:26:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:26:07,950 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:26:07,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:26:08,029 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:26:08,030 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 12:26:08,031 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-11-16 12:26:08,037 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-11-16 12:26:08,037 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2022-11-16 12:26:08,038 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-11-16 12:26:08,038 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-11-16 12:26:08,038 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-11-16 12:26:08,039 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-11-16 12:26:08,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 12:26:08,040 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-16 12:26:08,049 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-16 12:26:08,049 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:26:08,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:26:08 BasicIcfg [2022-11-16 12:26:08,152 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:26:08,153 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:26:08,154 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:26:08,154 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:26:08,155 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:26:03" (3/4) ... [2022-11-16 12:26:08,159 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 12:26:08,159 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:26:08,160 INFO L158 Benchmark]: Toolchain (without parser) took 6564.29ms. Allocated memory was 123.7MB in the beginning and 184.5MB in the end (delta: 60.8MB). Free memory was 84.7MB in the beginning and 151.7MB in the end (delta: -67.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:26:08,161 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 123.7MB. Free memory was 104.0MB in the beginning and 103.9MB in the end (delta: 103.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:26:08,162 INFO L158 Benchmark]: CACSL2BoogieTranslator took 827.41ms. Allocated memory is still 123.7MB. Free memory was 84.5MB in the beginning and 83.9MB in the end (delta: 557.5kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:26:08,162 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.56ms. Allocated memory is still 123.7MB. Free memory was 83.8MB in the beginning and 81.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:26:08,163 INFO L158 Benchmark]: Boogie Preprocessor took 38.49ms. Allocated memory is still 123.7MB. Free memory was 81.6MB in the beginning and 79.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:26:08,166 INFO L158 Benchmark]: RCFGBuilder took 605.03ms. Allocated memory is still 123.7MB. Free memory was 79.8MB in the beginning and 65.7MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-16 12:26:08,172 INFO L158 Benchmark]: TraceAbstraction took 5014.89ms. Allocated memory was 123.7MB in the beginning and 184.5MB in the end (delta: 60.8MB). Free memory was 65.0MB in the beginning and 151.7MB in the end (delta: -86.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:26:08,173 INFO L158 Benchmark]: Witness Printer took 5.75ms. Allocated memory is still 184.5MB. Free memory is still 151.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:26:08,178 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 123.7MB. Free memory was 104.0MB in the beginning and 103.9MB in the end (delta: 103.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 827.41ms. Allocated memory is still 123.7MB. Free memory was 84.5MB in the beginning and 83.9MB in the end (delta: 557.5kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.56ms. Allocated memory is still 123.7MB. Free memory was 83.8MB in the beginning and 81.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.49ms. Allocated memory is still 123.7MB. Free memory was 81.6MB in the beginning and 79.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 605.03ms. Allocated memory is still 123.7MB. Free memory was 79.8MB in the beginning and 65.7MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 5014.89ms. Allocated memory was 123.7MB in the beginning and 184.5MB in the end (delta: 60.8MB). Free memory was 65.0MB in the beginning and 151.7MB in the end (delta: -86.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.75ms. Allocated memory is still 184.5MB. Free memory is still 151.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 932]: Data race detected Data race detected The following path leads to a data race: [L918-L921] 0 struct { int x; int y; } data; VAL [data={1:0}] [L927] 0 int *i,j = __VERIFIER_nondet_int(); VAL [data={1:0}] [L927] 0 int *i,j = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=1, data={1:0}, j=1] [L928] 0 pthread_t id; VAL [data={1:0}, id={5:0}, j=1] [L929] COND TRUE 0 \read(j) VAL [data={1:0}, id={5:0}, j=1] [L929] 0 i = &data.x VAL [data={1:0}, i={1:0}, id={5:0}, j=1] [L931] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, i={1:0}, id={5:0}, j=1, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L923] EXPR 1 data.x VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0] [L932] EXPR 0 \read(*i) VAL [\read(*i)=0, arg={0:0}, arg={0:0}, data={1:0}, data.x=0, i={1:0}, id={5:0}, j=1] [L923] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0] [L932] 0 (*i)++ VAL [\read(*i)=0, arg={0:0}, arg={0:0}, data={1:0}, data.x=0, i={1:0}, id={5:0}, j=1] [L923] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0] [L932] 0 (*i)++ VAL [\read(*i)=0, arg={0:0}, arg={0:0}, data={1:0}, data.x=0, i={1:0}, id={5:0}, j=1] [L923] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0] [L932] 0 (*i)++ VAL [\read(*i)=0, arg={0:0}, arg={0:0}, data={1:0}, data.x=0, i={1:0}, id={5:0}, j=1] [L923] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0] [L932] 0 (*i)++ VAL [\read(*i)=0, arg={0:0}, arg={0:0}, data={1:0}, data.x=0, i={1:0}, id={5:0}, j=1] [L923] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x++=9data.x++=0] [L932] 0 (*i)++ VAL [\read(*i)=0, arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x++=9, data.x++=0, i={1:0}, id={5:0}, j=1] Now there is a data race (on the heap) between C: data.x++ [923] and C: (*i)++ [932] - UnprovableResult [Line: 932]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 931]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 923]: 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, 99 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: 4.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 73 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 73 mSDsluCounter, 104 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 706 IncrementalHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 104 mSDtfsCounter, 706 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1458occurred in iteration=4, InterpolantAutomatonStates: 24, 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, 1.7s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 134 ConstructedInterpolants, 0 QuantifiedInterpolants, 458 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! [2022-11-16 12:26:08,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e47ef273-1689-4921-8dbd-628e63f7a1ac/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE