./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_14-idxunknown_access.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 30e01a73 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_b6afe108-065b-4377-bad2-e9924f02e30f/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6afe108-065b-4377-bad2-e9924f02e30f/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6afe108-065b-4377-bad2-e9924f02e30f/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6afe108-065b-4377-bad2-e9924f02e30f/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_14-idxunknown_access.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6afe108-065b-4377-bad2-e9924f02e30f/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6afe108-065b-4377-bad2-e9924f02e30f/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ab624cd95d0fa2367e02c67b22b0f1efd275cc176f54b50b7fb2d138f7f4319c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:30:32,339 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:30:32,418 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6afe108-065b-4377-bad2-e9924f02e30f/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-23 21:30:32,423 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:30:32,424 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:30:32,452 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:30:32,453 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:30:32,453 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:30:32,454 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:30:32,455 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:30:32,455 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:30:32,456 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:30:32,457 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:30:32,457 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:30:32,458 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:30:32,459 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:30:32,459 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:30:32,460 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:30:32,460 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:30:32,461 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:30:32,461 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:30:32,462 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:30:32,463 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:30:32,463 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:30:32,464 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:30:32,464 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:30:32,465 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:30:32,465 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:30:32,466 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:30:32,466 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:30:32,466 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:30:32,467 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-23 21:30:32,467 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 21:30:32,467 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:30:32,468 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:30:32,468 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:30:32,468 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:30:32,469 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:30:32,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:30:32,469 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:30:32,469 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:30:32,470 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:30:32,470 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:30:32,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:30:32,471 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:30:32,471 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:30:32,471 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:30:32,471 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:30:32,472 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_b6afe108-065b-4377-bad2-e9924f02e30f/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6afe108-065b-4377-bad2-e9924f02e30f/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab624cd95d0fa2367e02c67b22b0f1efd275cc176f54b50b7fb2d138f7f4319c [2023-11-23 21:30:32,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:30:32,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:30:32,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:30:32,796 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:30:32,799 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:30:32,800 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6afe108-065b-4377-bad2-e9924f02e30f/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/goblint-regression/05-lval_ls_14-idxunknown_access.i [2023-11-23 21:30:35,926 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:30:36,191 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:30:36,192 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6afe108-065b-4377-bad2-e9924f02e30f/sv-benchmarks/c/goblint-regression/05-lval_ls_14-idxunknown_access.i [2023-11-23 21:30:36,211 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6afe108-065b-4377-bad2-e9924f02e30f/bin/utaipan-verify-mE87zJ7Ire/data/89ea8f24b/c8c71edd6a264a1e9a18deece2bc832b/FLAG99a296b07 [2023-11-23 21:30:36,231 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6afe108-065b-4377-bad2-e9924f02e30f/bin/utaipan-verify-mE87zJ7Ire/data/89ea8f24b/c8c71edd6a264a1e9a18deece2bc832b [2023-11-23 21:30:36,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:30:36,243 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:30:36,247 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:30:36,247 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:30:36,253 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:30:36,254 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:30:36" (1/1) ... [2023-11-23 21:30:36,255 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fcf7a19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:36, skipping insertion in model container [2023-11-23 21:30:36,255 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:30:36" (1/1) ... [2023-11-23 21:30:36,304 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:30:36,758 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:30:36,772 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:30:36,834 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:30:36,884 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:30:36,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:36 WrapperNode [2023-11-23 21:30:36,885 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:30:36,886 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:30:36,886 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:30:36,886 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:30:36,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:36" (1/1) ... [2023-11-23 21:30:36,914 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:36" (1/1) ... [2023-11-23 21:30:36,937 INFO L138 Inliner]: procedures = 163, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 45 [2023-11-23 21:30:36,938 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:30:36,939 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:30:36,939 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:30:36,939 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:30:36,949 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:36" (1/1) ... [2023-11-23 21:30:36,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:36" (1/1) ... [2023-11-23 21:30:36,953 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:36" (1/1) ... [2023-11-23 21:30:36,954 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:36" (1/1) ... [2023-11-23 21:30:36,963 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:36" (1/1) ... [2023-11-23 21:30:36,965 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:36" (1/1) ... [2023-11-23 21:30:36,967 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:36" (1/1) ... [2023-11-23 21:30:36,968 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:36" (1/1) ... [2023-11-23 21:30:36,972 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:30:36,973 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:30:36,973 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:30:36,973 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:30:36,974 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:36" (1/1) ... [2023-11-23 21:30:36,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:30:36,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6afe108-065b-4377-bad2-e9924f02e30f/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:30:37,011 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6afe108-065b-4377-bad2-e9924f02e30f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:30:37,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6afe108-065b-4377-bad2-e9924f02e30f/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:30:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:30:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:30:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:30:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:30:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-23 21:30:37,059 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-23 21:30:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:30:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:30:37,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:30:37,062 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 21:30:37,189 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:30:37,191 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:30:37,403 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:30:37,414 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:30:37,414 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:30:37,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:30:37 BoogieIcfgContainer [2023-11-23 21:30:37,416 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:30:37,419 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:30:37,419 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:30:37,422 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:30:37,423 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:30:36" (1/3) ... [2023-11-23 21:30:37,423 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e8babce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:30:37, skipping insertion in model container [2023-11-23 21:30:37,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:30:36" (2/3) ... [2023-11-23 21:30:37,424 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e8babce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:30:37, skipping insertion in model container [2023-11-23 21:30:37,424 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:30:37" (3/3) ... [2023-11-23 21:30:37,426 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_14-idxunknown_access.i [2023-11-23 21:30:37,435 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-23 21:30:37,447 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:30:37,447 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-23 21:30:37,448 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-23 21:30:37,509 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-23 21:30:37,549 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 77 places, 74 transitions, 152 flow [2023-11-23 21:30:37,617 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 607 states, 599 states have (on average 1.9048414023372287) internal successors, (1141), 606 states have internal predecessors, (1141), 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) [2023-11-23 21:30:37,639 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:30:37,646 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=FINITE_AUTOMATA, 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;@11882071, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:30:37,647 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2023-11-23 21:30:37,653 INFO L276 IsEmpty]: Start isEmpty. Operand has 607 states, 599 states have (on average 1.9048414023372287) internal successors, (1141), 606 states have internal predecessors, (1141), 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) [2023-11-23 21:30:37,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 21:30:37,662 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:30:37,663 INFO L195 NwaCegarLoop]: 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] [2023-11-23 21:30:37,663 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)] === [2023-11-23 21:30:37,669 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:30:37,670 INFO L85 PathProgramCache]: Analyzing trace with hash 505712863, now seen corresponding path program 1 times [2023-11-23 21:30:37,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:30:37,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106929528] [2023-11-23 21:30:37,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:37,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:30:37,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:30:38,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:30:38,695 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:30:38,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106929528] [2023-11-23 21:30:38,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106929528] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:30:38,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:30:38,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:30:38,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007591541] [2023-11-23 21:30:38,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:30:38,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:30:38,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:30:38,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:30:38,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:30:38,738 INFO L87 Difference]: Start difference. First operand has 607 states, 599 states have (on average 1.9048414023372287) internal successors, (1141), 606 states have internal predecessors, (1141), 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) Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 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) [2023-11-23 21:30:39,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:30:39,263 INFO L93 Difference]: Finished difference Result 989 states and 1875 transitions. [2023-11-23 21:30:39,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:30:39,267 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 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) Word has length 29 [2023-11-23 21:30:39,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:30:39,298 INFO L225 Difference]: With dead ends: 989 [2023-11-23 21:30:39,299 INFO L226 Difference]: Without dead ends: 988 [2023-11-23 21:30:39,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:30:39,305 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 96 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:30:39,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 300 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 21:30:39,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2023-11-23 21:30:39,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 653. [2023-11-23 21:30:39,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 646 states have (on average 1.9024767801857585) internal successors, (1229), 652 states have internal predecessors, (1229), 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) [2023-11-23 21:30:39,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 1229 transitions. [2023-11-23 21:30:39,420 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 1229 transitions. Word has length 29 [2023-11-23 21:30:39,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:30:39,421 INFO L495 AbstractCegarLoop]: Abstraction has 653 states and 1229 transitions. [2023-11-23 21:30:39,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 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) [2023-11-23 21:30:39,421 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 1229 transitions. [2023-11-23 21:30:39,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 21:30:39,423 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:30:39,423 INFO L195 NwaCegarLoop]: 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] [2023-11-23 21:30:39,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:30:39,424 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)] === [2023-11-23 21:30:39,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:30:39,425 INFO L85 PathProgramCache]: Analyzing trace with hash -307619560, now seen corresponding path program 1 times [2023-11-23 21:30:39,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:30:39,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579100690] [2023-11-23 21:30:39,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:39,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:30:39,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:30:39,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:30:39,874 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:30:39,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579100690] [2023-11-23 21:30:39,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579100690] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:30:39,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:30:39,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:30:39,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495292518] [2023-11-23 21:30:39,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:30:39,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:30:39,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:30:39,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:30:39,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:30:39,878 INFO L87 Difference]: Start difference. First operand 653 states and 1229 transitions. Second operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 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) [2023-11-23 21:30:40,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:30:40,223 INFO L93 Difference]: Finished difference Result 921 states and 1736 transitions. [2023-11-23 21:30:40,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:30:40,224 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 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) Word has length 30 [2023-11-23 21:30:40,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:30:40,231 INFO L225 Difference]: With dead ends: 921 [2023-11-23 21:30:40,231 INFO L226 Difference]: Without dead ends: 921 [2023-11-23 21:30:40,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:30:40,233 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 68 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:30:40,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 254 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 21:30:40,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2023-11-23 21:30:40,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 686. [2023-11-23 21:30:40,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 686 states, 679 states have (on average 1.9013254786450662) internal successors, (1291), 685 states have internal predecessors, (1291), 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) [2023-11-23 21:30:40,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 1291 transitions. [2023-11-23 21:30:40,275 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 1291 transitions. Word has length 30 [2023-11-23 21:30:40,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:30:40,275 INFO L495 AbstractCegarLoop]: Abstraction has 686 states and 1291 transitions. [2023-11-23 21:30:40,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 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) [2023-11-23 21:30:40,275 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 1291 transitions. [2023-11-23 21:30:40,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 21:30:40,278 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:30:40,278 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:30:40,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:30:40,279 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)] === [2023-11-23 21:30:40,280 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:30:40,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1135876324, now seen corresponding path program 1 times [2023-11-23 21:30:40,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:30:40,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340335131] [2023-11-23 21:30:40,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:40,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:30:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:30:40,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:30:40,656 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:30:40,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340335131] [2023-11-23 21:30:40,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340335131] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:30:40,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:30:40,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:30:40,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83477631] [2023-11-23 21:30:40,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:30:40,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:30:40,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:30:40,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:30:40,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:30:40,659 INFO L87 Difference]: Start difference. First operand 686 states and 1291 transitions. Second operand has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 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) [2023-11-23 21:30:41,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:30:41,043 INFO L93 Difference]: Finished difference Result 1100 states and 2054 transitions. [2023-11-23 21:30:41,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:30:41,044 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 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) Word has length 37 [2023-11-23 21:30:41,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:30:41,051 INFO L225 Difference]: With dead ends: 1100 [2023-11-23 21:30:41,051 INFO L226 Difference]: Without dead ends: 950 [2023-11-23 21:30:41,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:30:41,053 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 88 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:30:41,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 359 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 21:30:41,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2023-11-23 21:30:41,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 619. [2023-11-23 21:30:41,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 612 states have (on average 1.8676470588235294) internal successors, (1143), 618 states have internal predecessors, (1143), 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) [2023-11-23 21:30:41,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 1143 transitions. [2023-11-23 21:30:41,081 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 1143 transitions. Word has length 37 [2023-11-23 21:30:41,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:30:41,082 INFO L495 AbstractCegarLoop]: Abstraction has 619 states and 1143 transitions. [2023-11-23 21:30:41,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 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) [2023-11-23 21:30:41,082 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 1143 transitions. [2023-11-23 21:30:41,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 21:30:41,085 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:30:41,085 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:30:41,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:30:41,086 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)] === [2023-11-23 21:30:41,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:30:41,087 INFO L85 PathProgramCache]: Analyzing trace with hash 230018047, now seen corresponding path program 1 times [2023-11-23 21:30:41,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:30:41,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894720324] [2023-11-23 21:30:41,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:41,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:30:41,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:30:41,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:30:41,402 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:30:41,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894720324] [2023-11-23 21:30:41,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894720324] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:30:41,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:30:41,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-23 21:30:41,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782118148] [2023-11-23 21:30:41,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:30:41,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:30:41,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:30:41,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:30:41,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:30:41,405 INFO L87 Difference]: Start difference. First operand 619 states and 1143 transitions. Second operand has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 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) [2023-11-23 21:30:41,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:30:41,674 INFO L93 Difference]: Finished difference Result 880 states and 1594 transitions. [2023-11-23 21:30:41,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 21:30:41,675 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 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) Word has length 38 [2023-11-23 21:30:41,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:30:41,681 INFO L225 Difference]: With dead ends: 880 [2023-11-23 21:30:41,681 INFO L226 Difference]: Without dead ends: 784 [2023-11-23 21:30:41,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:30:41,683 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 71 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 21:30:41,683 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 201 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 21:30:41,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2023-11-23 21:30:41,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 582. [2023-11-23 21:30:41,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 575 states have (on average 1.8278260869565217) internal successors, (1051), 581 states have internal predecessors, (1051), 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) [2023-11-23 21:30:41,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 1051 transitions. [2023-11-23 21:30:41,708 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 1051 transitions. Word has length 38 [2023-11-23 21:30:41,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:30:41,708 INFO L495 AbstractCegarLoop]: Abstraction has 582 states and 1051 transitions. [2023-11-23 21:30:41,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 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) [2023-11-23 21:30:41,709 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 1051 transitions. [2023-11-23 21:30:41,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 21:30:41,711 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:30:41,711 INFO L195 NwaCegarLoop]: 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] [2023-11-23 21:30:41,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 21:30:41,712 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2023-11-23 21:30:41,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:30:41,713 INFO L85 PathProgramCache]: Analyzing trace with hash 849615932, now seen corresponding path program 1 times [2023-11-23 21:30:41,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:30:41,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38020193] [2023-11-23 21:30:41,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:30:41,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:30:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:30:41,763 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:30:41,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:30:41,802 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:30:41,803 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:30:41,804 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2023-11-23 21:30:41,806 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2023-11-23 21:30:41,806 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2023-11-23 21:30:41,806 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2023-11-23 21:30:41,806 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2023-11-23 21:30:41,807 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2023-11-23 21:30:41,807 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2023-11-23 21:30:41,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-23 21:30:41,810 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-23 21:30:41,817 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-23 21:30:41,817 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:30:41,840 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-23 21:30:41,841 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre6 could not be translated [2023-11-23 21:30:41,842 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-23 21:30:41,842 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-23 21:30:41,842 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-23 21:30:41,843 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-23 21:30:41,843 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-23 21:30:41,843 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-23 21:30:41,844 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-23 21:30:41,844 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-23 21:30:41,844 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post9 could not be translated [2023-11-23 21:30:41,844 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated [2023-11-23 21:30:41,844 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-23 21:30:41,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:30:41 BasicIcfg [2023-11-23 21:30:41,851 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:30:41,852 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:30:41,852 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:30:41,852 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:30:41,853 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:30:37" (3/4) ... [2023-11-23 21:30:41,855 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:30:41,856 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:30:41,857 INFO L158 Benchmark]: Toolchain (without parser) took 5613.66ms. Allocated memory was 127.9MB in the beginning and 199.2MB in the end (delta: 71.3MB). Free memory was 67.8MB in the beginning and 67.8MB in the end (delta: 43.3kB). Peak memory consumption was 73.8MB. Max. memory is 16.1GB. [2023-11-23 21:30:41,857 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 127.9MB. Free memory is still 102.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:30:41,857 INFO L158 Benchmark]: CACSL2BoogieTranslator took 638.56ms. Allocated memory was 127.9MB in the beginning and 165.7MB in the end (delta: 37.7MB). Free memory was 67.6MB in the beginning and 123.1MB in the end (delta: -55.5MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2023-11-23 21:30:41,858 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.91ms. Allocated memory is still 165.7MB. Free memory was 122.8MB in the beginning and 121.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:30:41,858 INFO L158 Benchmark]: Boogie Preprocessor took 33.45ms. Allocated memory is still 165.7MB. Free memory was 120.7MB in the beginning and 119.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:30:41,859 INFO L158 Benchmark]: RCFGBuilder took 443.25ms. Allocated memory is still 165.7MB. Free memory was 119.3MB in the beginning and 104.3MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 21:30:41,859 INFO L158 Benchmark]: TraceAbstraction took 4432.47ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 103.6MB in the beginning and 67.8MB in the end (delta: 35.8MB). Peak memory consumption was 71.1MB. Max. memory is 16.1GB. [2023-11-23 21:30:41,859 INFO L158 Benchmark]: Witness Printer took 4.03ms. Allocated memory is still 199.2MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:30:41,861 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 127.9MB. Free memory is still 102.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 638.56ms. Allocated memory was 127.9MB in the beginning and 165.7MB in the end (delta: 37.7MB). Free memory was 67.6MB in the beginning and 123.1MB in the end (delta: -55.5MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.91ms. Allocated memory is still 165.7MB. Free memory was 122.8MB in the beginning and 121.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.45ms. Allocated memory is still 165.7MB. Free memory was 120.7MB in the beginning and 119.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 443.25ms. Allocated memory is still 165.7MB. Free memory was 119.3MB in the beginning and 104.3MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 4432.47ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 103.6MB in the beginning and 67.8MB in the end (delta: 35.8MB). Peak memory consumption was 71.1MB. Max. memory is 16.1GB. * Witness Printer took 4.03ms. Allocated memory is still 199.2MB. Free memory is still 67.8MB. There was no memory consumed. 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~pre6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 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: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 686]: Data race detected [2023-11-23 21:30:41,876 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-23 21:30:41,877 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre6 could not be translated [2023-11-23 21:30:41,877 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-23 21:30:41,878 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-23 21:30:41,878 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-23 21:30:41,878 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-23 21:30:41,878 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-23 21:30:41,879 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-23 21:30:41,879 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post9 could not be translated [2023-11-23 21:30:41,879 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-23 21:30:41,879 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated [2023-11-23 21:30:41,879 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-23 21:30:41,880 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-23 21:30:41,889 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-23 21:30:41,890 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre6 could not be translated [2023-11-23 21:30:41,890 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-23 21:30:41,891 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-23 21:30:41,891 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-23 21:30:41,891 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-23 21:30:41,892 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-23 21:30:41,892 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-23 21:30:41,892 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-23 21:30:41,892 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated [2023-11-23 21:30:41,893 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-23 21:30:41,893 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post9 could not be translated [2023-11-23 21:30:41,893 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated Data race detected The following path leads to a data race: [L684] 0 int data[10]; VAL [data={1:0}] [L690] 0 int i = __VERIFIER_nondet_int(); VAL [data={1:0}, i=4] [L691] CALL 0 assume_abort_if_not(0 <= i && i < 10) [L11] COND FALSE 0 !(!cond) VAL [\old(cond)=1, cond=1, data={1:0}] [L691] RET 0 assume_abort_if_not(0 <= i && i < 10) [L692] 0 pthread_t id; VAL [data={1:0}, i=4, id={2:0}] [L693] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, i=4, id={2:0}] [L694] EXPR 0 data[i] VAL [arg={0:0}, data={1:0}, i=4, id={2:0}] [L686] EXPR 1 data[4] VAL [arg={0:0}, arg={0:0}, data={1:0}] [L686] 1 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}] [L694] 0 data[i]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, i=4, id={2:0}] [L686] 1 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}] [L694] 0 data[i]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, i=4, id={2:0}] [L686] 1 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}] Now there is a data race (on the heap) between C: data[i]++ [694] and C: data[4]++ [686] - UnprovableResult [Line: 694]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 694]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 693]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 686]: 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, 98 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 323 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 323 mSDsluCounter, 1114 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 687 mSDsCounter, 88 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1043 IncrementalHoareTripleChecker+Invalid, 1131 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 88 mSolverCounterUnsat, 427 mSDtfsCounter, 1043 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=686occurred in iteration=2, 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: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 1103 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 175 NumberOfCodeBlocks, 175 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 130 ConstructedInterpolants, 0 QuantifiedInterpolants, 538 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! [2023-11-23 21:30:41,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6afe108-065b-4377-bad2-e9924f02e30f/bin/utaipan-verify-mE87zJ7Ire/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