./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/09-regions_28-list2alloc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed0631f-8167-4428-b12e-3fe53588bfdd/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed0631f-8167-4428-b12e-3fe53588bfdd/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed0631f-8167-4428-b12e-3fe53588bfdd/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed0631f-8167-4428-b12e-3fe53588bfdd/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/09-regions_28-list2alloc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed0631f-8167-4428-b12e-3fe53588bfdd/bin/utaipan-EQgc7hIp5V/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed0631f-8167-4428-b12e-3fe53588bfdd/bin/utaipan-EQgc7hIp5V --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 318281cc312c05fd633ca0d066d65c4887939b5717e7fb2aba02dbd1a639e1ad --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:55:25,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:55:25,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:55:25,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:55:25,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:55:25,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:55:25,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:55:25,848 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:55:25,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:55:25,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:55:25,852 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:55:25,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:55:25,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:55:25,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:55:25,858 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:55:25,859 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:55:25,860 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:55:25,862 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:55:25,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:55:25,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:55:25,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:55:25,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:55:25,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:55:25,877 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:55:25,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:55:25,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:55:25,886 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:55:25,887 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:55:25,891 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:55:25,893 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:55:25,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:55:25,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:55:25,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:55:25,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:55:25,900 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:55:25,900 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:55:25,901 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:55:25,901 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:55:25,902 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:55:25,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:55:25,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:55:25,905 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed0631f-8167-4428-b12e-3fe53588bfdd/bin/utaipan-EQgc7hIp5V/config/svcomp-DataRace-32bit-Taipan_Default.epf [2021-11-23 02:55:25,947 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:55:25,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:55:25,952 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:55:25,953 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:55:25,960 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:55:25,960 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:55:25,960 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:55:25,960 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:55:25,961 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:55:25,961 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:55:25,962 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:55:25,962 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:55:25,962 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:55:25,963 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:55:25,963 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:55:25,963 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:55:25,963 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:55:25,964 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:55:25,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:55:25,965 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 02:55:25,965 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 02:55:25,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:55:25,965 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 02:55:25,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:55:25,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:55:25,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:55:25,968 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:55:25,968 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-23 02:55:25,969 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 02:55:25,969 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:55:25,969 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:55:25,969 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:55:25,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:55:25,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:55:25,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:55:25,970 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:55:25,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:55:25,971 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:55:25,971 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:55:25,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:55:25,971 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:55:25,972 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:55:25,972 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:55:25,972 INFO L138 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_6ed0631f-8167-4428-b12e-3fe53588bfdd/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed0631f-8167-4428-b12e-3fe53588bfdd/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 318281cc312c05fd633ca0d066d65c4887939b5717e7fb2aba02dbd1a639e1ad [2021-11-23 02:55:26,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:55:26,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:55:26,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:55:26,319 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:55:26,320 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:55:26,322 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed0631f-8167-4428-b12e-3fe53588bfdd/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/goblint-regression/09-regions_28-list2alloc.i [2021-11-23 02:55:26,397 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed0631f-8167-4428-b12e-3fe53588bfdd/bin/utaipan-EQgc7hIp5V/data/e7f688aef/0b8efe39ea894255a2688cb7f4a17a0f/FLAGef838a026 [2021-11-23 02:55:26,975 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:55:26,975 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed0631f-8167-4428-b12e-3fe53588bfdd/sv-benchmarks/c/goblint-regression/09-regions_28-list2alloc.i [2021-11-23 02:55:27,002 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed0631f-8167-4428-b12e-3fe53588bfdd/bin/utaipan-EQgc7hIp5V/data/e7f688aef/0b8efe39ea894255a2688cb7f4a17a0f/FLAGef838a026 [2021-11-23 02:55:27,216 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed0631f-8167-4428-b12e-3fe53588bfdd/bin/utaipan-EQgc7hIp5V/data/e7f688aef/0b8efe39ea894255a2688cb7f4a17a0f [2021-11-23 02:55:27,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:55:27,222 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:55:27,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:55:27,225 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:55:27,229 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:55:27,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:55:27" (1/1) ... [2021-11-23 02:55:27,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3742f6b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:27, skipping insertion in model container [2021-11-23 02:55:27,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:55:27" (1/1) ... [2021-11-23 02:55:27,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:55:27,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:55:28,118 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:55:28,132 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:55:28,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:55:28,315 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:55:28,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:28 WrapperNode [2021-11-23 02:55:28,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:55:28,318 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:55:28,318 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:55:28,318 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:55:28,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:28" (1/1) ... [2021-11-23 02:55:28,364 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:28" (1/1) ... [2021-11-23 02:55:28,404 INFO L137 Inliner]: procedures = 368, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 107 [2021-11-23 02:55:28,405 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:55:28,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:55:28,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:55:28,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:55:28,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:28" (1/1) ... [2021-11-23 02:55:28,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:28" (1/1) ... [2021-11-23 02:55:28,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:28" (1/1) ... [2021-11-23 02:55:28,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:28" (1/1) ... [2021-11-23 02:55:28,464 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:28" (1/1) ... [2021-11-23 02:55:28,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:28" (1/1) ... [2021-11-23 02:55:28,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:28" (1/1) ... [2021-11-23 02:55:28,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:55:28,485 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:55:28,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:55:28,486 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:55:28,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:28" (1/1) ... [2021-11-23 02:55:28,497 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:55:28,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed0631f-8167-4428-b12e-3fe53588bfdd/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:55:28,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed0631f-8167-4428-b12e-3fe53588bfdd/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:55:28,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed0631f-8167-4428-b12e-3fe53588bfdd/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:55:28,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:55:28,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:55:28,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:55:28,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:55:28,587 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 02:55:28,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:55:28,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:55:28,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:55:28,587 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-23 02:55:28,588 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-23 02:55:28,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:55:28,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:55:28,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:55:28,590 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 02:55:28,732 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:55:28,746 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:55:29,170 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:55:29,180 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:55:29,180 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 02:55:29,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:55:29 BoogieIcfgContainer [2021-11-23 02:55:29,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:55:29,184 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:55:29,191 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:55:29,195 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:55:29,195 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:55:27" (1/3) ... [2021-11-23 02:55:29,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79615059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:55:29, skipping insertion in model container [2021-11-23 02:55:29,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:55:28" (2/3) ... [2021-11-23 02:55:29,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79615059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:55:29, skipping insertion in model container [2021-11-23 02:55:29,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:55:29" (3/3) ... [2021-11-23 02:55:29,203 INFO L111 eAbstractionObserver]: Analyzing ICFG 09-regions_28-list2alloc.i [2021-11-23 02:55:29,209 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-23 02:55:29,209 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:55:29,209 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2021-11-23 02:55:29,209 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-23 02:55:29,252 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,252 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,253 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,253 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,253 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,253 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,254 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,254 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,254 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,254 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,255 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,255 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,255 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,255 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,256 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,256 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,257 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,257 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,257 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,257 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,258 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,258 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,258 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,258 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,258 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,259 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,259 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,259 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,259 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,260 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,260 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,260 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,260 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,261 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,261 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,261 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,261 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,262 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,262 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,262 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,262 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,262 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,263 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,263 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,263 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,263 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,264 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,264 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,265 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,265 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,265 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,265 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,266 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,266 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,266 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,266 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,266 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,267 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,267 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,267 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,267 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,268 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,268 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,268 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,268 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,269 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,269 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,269 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,269 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,269 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,270 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,270 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,270 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,270 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,271 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,271 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,274 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,274 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,274 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,274 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,275 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,275 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,275 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,275 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,275 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,276 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-23 02:55:29,284 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-23 02:55:29,336 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:55:29,345 INFO L339 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=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, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:55:29,349 INFO L340 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2021-11-23 02:55:29,365 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-23 02:55:29,379 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 184 places, 180 transitions, 365 flow [2021-11-23 02:55:29,382 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 184 places, 180 transitions, 365 flow [2021-11-23 02:55:29,384 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 184 places, 180 transitions, 365 flow [2021-11-23 02:55:29,454 INFO L129 PetriNetUnfolder]: 0/179 cut-off events. [2021-11-23 02:55:29,454 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-11-23 02:55:29,456 INFO L84 FinitePrefix]: Finished finitePrefix Result has 183 conditions, 179 events. 0/179 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 70 event pairs, 0 based on Foata normal form. 0/165 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-11-23 02:55:29,461 INFO L116 LiptonReduction]: Number of co-enabled transitions 2650 [2021-11-23 02:56:05,340 WARN L227 SmtUtils]: Spent 5.63s on a formula simplification that was a NOOP. DAG size: 128 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 02:56:37,671 WARN L227 SmtUtils]: Spent 29.06s on a formula simplification. DAG size of input: 170 DAG size of output: 165 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 02:56:47,493 WARN L227 SmtUtils]: Spent 9.82s on a formula simplification that was a NOOP. DAG size: 157 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 02:57:33,267 WARN L227 SmtUtils]: Spent 45.77s on a formula simplification. DAG size of input: 170 DAG size of output: 165 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 02:57:43,629 WARN L227 SmtUtils]: Spent 10.36s on a formula simplification that was a NOOP. DAG size: 157 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 02:58:06,108 WARN L227 SmtUtils]: Spent 22.45s on a formula simplification. DAG size of input: 266 DAG size of output: 262 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 02:58:48,529 WARN L227 SmtUtils]: Spent 38.01s on a formula simplification. DAG size of input: 266 DAG size of output: 262 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 02:59:15,442 WARN L227 SmtUtils]: Spent 26.91s on a formula simplification that was a NOOP. DAG size: 234 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-23 02:59:15,528 INFO L131 LiptonReduction]: Checked pairs total: 22404 [2021-11-23 02:59:15,529 INFO L133 LiptonReduction]: Total number of compositions: 176 [2021-11-23 02:59:15,537 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 57 places, 53 transitions, 111 flow [2021-11-23 02:59:15,568 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 391 states, 365 states have (on average 1.9945205479452055) internal successors, (728), 390 states have internal predecessors, (728), 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) [2021-11-23 02:59:15,572 INFO L276 IsEmpty]: Start isEmpty. Operand has 391 states, 365 states have (on average 1.9945205479452055) internal successors, (728), 390 states have internal predecessors, (728), 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) [2021-11-23 02:59:15,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2021-11-23 02:59:15,577 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:59:15,578 INFO L514 BasicCegarLoop]: trace histogram [1] [2021-11-23 02:59:15,578 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2021-11-23 02:59:15,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:59:15,584 INFO L85 PathProgramCache]: Analyzing trace with hash 608, now seen corresponding path program 1 times [2021-11-23 02:59:15,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:59:15,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094111460] [2021-11-23 02:59:15,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:59:15,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:59:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:59:15,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:59:15,709 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:59:15,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2094111460] [2021-11-23 02:59:15,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2094111460] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:59:15,710 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:59:15,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2021-11-23 02:59:15,712 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700249489] [2021-11-23 02:59:15,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:59:15,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-23 02:59:15,717 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:59:15,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-23 02:59:15,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:59:15,741 INFO L87 Difference]: Start difference. First operand has 391 states, 365 states have (on average 1.9945205479452055) internal successors, (728), 390 states have internal predecessors, (728), 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 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2021-11-23 02:59:15,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:59:15,826 INFO L93 Difference]: Finished difference Result 330 states and 615 transitions. [2021-11-23 02:59:15,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-23 02:59:15,828 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 1 [2021-11-23 02:59:15,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:59:15,842 INFO L225 Difference]: With dead ends: 330 [2021-11-23 02:59:15,842 INFO L226 Difference]: Without dead ends: 330 [2021-11-23 02:59:15,843 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-23 02:59:15,846 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:59:15,851 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:59:15,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2021-11-23 02:59:15,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 330. [2021-11-23 02:59:15,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 321 states have (on average 1.9158878504672898) internal successors, (615), 329 states have internal predecessors, (615), 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) [2021-11-23 02:59:15,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 615 transitions. [2021-11-23 02:59:15,935 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 615 transitions. Word has length 1 [2021-11-23 02:59:15,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:59:15,935 INFO L470 AbstractCegarLoop]: Abstraction has 330 states and 615 transitions. [2021-11-23 02:59:15,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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) [2021-11-23 02:59:15,936 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 615 transitions. [2021-11-23 02:59:15,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 02:59:15,937 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:59:15,937 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:59:15,937 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:59:15,938 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2021-11-23 02:59:15,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:59:15,939 INFO L85 PathProgramCache]: Analyzing trace with hash 2116342135, now seen corresponding path program 1 times [2021-11-23 02:59:15,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:59:15,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928385571] [2021-11-23 02:59:15,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:59:15,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:59:16,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:59:16,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:59:16,193 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:59:16,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928385571] [2021-11-23 02:59:16,194 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928385571] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:59:16,194 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:59:16,194 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:59:16,195 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534966676] [2021-11-23 02:59:16,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:59:16,196 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 02:59:16,196 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:59:16,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 02:59:16,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:59:16,197 INFO L87 Difference]: Start difference. First operand 330 states and 615 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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) [2021-11-23 02:59:16,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:59:16,507 INFO L93 Difference]: Finished difference Result 362 states and 673 transitions. [2021-11-23 02:59:16,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:59:16,508 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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 9 [2021-11-23 02:59:16,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:59:16,511 INFO L225 Difference]: With dead ends: 362 [2021-11-23 02:59:16,511 INFO L226 Difference]: Without dead ends: 362 [2021-11-23 02:59:16,511 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:59:16,513 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 22 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:59:16,514 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 35 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-23 02:59:16,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2021-11-23 02:59:16,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 350. [2021-11-23 02:59:16,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 341 states have (on average 1.9090909090909092) internal successors, (651), 349 states have internal predecessors, (651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 02:59:16,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 651 transitions. [2021-11-23 02:59:16,545 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 651 transitions. Word has length 9 [2021-11-23 02:59:16,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:59:16,545 INFO L470 AbstractCegarLoop]: Abstraction has 350 states and 651 transitions. [2021-11-23 02:59:16,546 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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) [2021-11-23 02:59:16,548 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 651 transitions. [2021-11-23 02:59:16,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 02:59:16,549 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:59:16,549 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:59:16,553 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:59:16,554 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2021-11-23 02:59:16,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:59:16,555 INFO L85 PathProgramCache]: Analyzing trace with hash 797895660, now seen corresponding path program 1 times [2021-11-23 02:59:16,556 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:59:16,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560844891] [2021-11-23 02:59:16,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:59:16,557 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:59:16,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:59:16,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:59:16,781 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:59:16,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560844891] [2021-11-23 02:59:16,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560844891] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:59:16,782 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:59:16,782 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:59:16,782 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219390251] [2021-11-23 02:59:16,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:59:16,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-23 02:59:16,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:59:16,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-23 02:59:16,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:59:16,825 INFO L87 Difference]: Start difference. First operand 350 states and 651 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 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) [2021-11-23 02:59:17,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:59:17,350 INFO L93 Difference]: Finished difference Result 466 states and 877 transitions. [2021-11-23 02:59:17,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 02:59:17,351 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 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 10 [2021-11-23 02:59:17,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:59:17,356 INFO L225 Difference]: With dead ends: 466 [2021-11-23 02:59:17,356 INFO L226 Difference]: Without dead ends: 450 [2021-11-23 02:59:17,356 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-23 02:59:17,358 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 64 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:59:17,359 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [64 Valid, 32 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2021-11-23 02:59:17,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2021-11-23 02:59:17,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2021-11-23 02:59:17,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 441 states have (on average 1.9206349206349207) internal successors, (847), 449 states have internal predecessors, (847), 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) [2021-11-23 02:59:17,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 847 transitions. [2021-11-23 02:59:17,383 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 847 transitions. Word has length 10 [2021-11-23 02:59:17,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:59:17,383 INFO L470 AbstractCegarLoop]: Abstraction has 450 states and 847 transitions. [2021-11-23 02:59:17,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 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) [2021-11-23 02:59:17,384 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 847 transitions. [2021-11-23 02:59:17,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 02:59:17,385 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:59:17,386 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:59:17,386 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 02:59:17,386 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2021-11-23 02:59:17,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:59:17,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1563988195, now seen corresponding path program 1 times [2021-11-23 02:59:17,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:59:17,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723811570] [2021-11-23 02:59:17,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:59:17,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:59:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:59:17,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 02:59:17,457 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:59:17,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723811570] [2021-11-23 02:59:17,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723811570] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:59:17,458 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:59:17,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:59:17,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192467342] [2021-11-23 02:59:17,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:59:17,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:59:17,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:59:17,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:59:17,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:59:17,460 INFO L87 Difference]: Start difference. First operand 450 states and 847 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-11-23 02:59:17,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:59:17,570 INFO L93 Difference]: Finished difference Result 436 states and 804 transitions. [2021-11-23 02:59:17,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:59:17,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 13 [2021-11-23 02:59:17,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:59:17,574 INFO L225 Difference]: With dead ends: 436 [2021-11-23 02:59:17,574 INFO L226 Difference]: Without dead ends: 436 [2021-11-23 02:59:17,574 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:59:17,578 INFO L933 BasicCegarLoop]: 41 mSDtfsCounter, 29 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:59:17,580 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 57 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-23 02:59:17,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2021-11-23 02:59:17,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 436. [2021-11-23 02:59:17,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 426 states have (on average 1.8873239436619718) internal successors, (804), 435 states have internal predecessors, (804), 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) [2021-11-23 02:59:17,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 804 transitions. [2021-11-23 02:59:17,607 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 804 transitions. Word has length 13 [2021-11-23 02:59:17,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:59:17,608 INFO L470 AbstractCegarLoop]: Abstraction has 436 states and 804 transitions. [2021-11-23 02:59:17,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-11-23 02:59:17,608 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 804 transitions. [2021-11-23 02:59:17,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 02:59:17,612 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:59:17,612 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:59:17,612 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 02:59:17,613 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 18 more)] === [2021-11-23 02:59:17,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:59:17,617 INFO L85 PathProgramCache]: Analyzing trace with hash 13765347, now seen corresponding path program 2 times [2021-11-23 02:59:17,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:59:17,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592222128] [2021-11-23 02:59:17,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:59:17,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:59:17,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 02:59:17,691 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 02:59:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 02:59:17,753 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-23 02:59:17,754 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 02:59:17,755 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (20 of 21 remaining) [2021-11-23 02:59:17,756 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (19 of 21 remaining) [2021-11-23 02:59:17,757 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (18 of 21 remaining) [2021-11-23 02:59:17,757 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (17 of 21 remaining) [2021-11-23 02:59:17,757 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (16 of 21 remaining) [2021-11-23 02:59:17,758 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (15 of 21 remaining) [2021-11-23 02:59:17,758 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (14 of 21 remaining) [2021-11-23 02:59:17,758 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (13 of 21 remaining) [2021-11-23 02:59:17,758 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (12 of 21 remaining) [2021-11-23 02:59:17,759 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (11 of 21 remaining) [2021-11-23 02:59:17,759 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (10 of 21 remaining) [2021-11-23 02:59:17,759 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (9 of 21 remaining) [2021-11-23 02:59:17,759 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (8 of 21 remaining) [2021-11-23 02:59:17,760 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (7 of 21 remaining) [2021-11-23 02:59:17,760 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (6 of 21 remaining) [2021-11-23 02:59:17,760 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONDATA_RACE (5 of 21 remaining) [2021-11-23 02:59:17,760 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 21 remaining) [2021-11-23 02:59:17,761 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 21 remaining) [2021-11-23 02:59:17,761 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (2 of 21 remaining) [2021-11-23 02:59:17,761 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (1 of 21 remaining) [2021-11-23 02:59:17,761 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONDATA_RACE (0 of 21 remaining) [2021-11-23 02:59:17,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 02:59:17,764 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2021-11-23 02:59:17,770 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-23 02:59:17,770 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 02:59:17,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:59:17 BasicIcfg [2021-11-23 02:59:17,806 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 02:59:17,807 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 02:59:17,807 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 02:59:17,807 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 02:59:17,807 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:55:29" (3/4) ... [2021-11-23 02:59:17,810 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 02:59:17,810 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 02:59:17,811 INFO L158 Benchmark]: Toolchain (without parser) took 230588.85ms. Allocated memory was 119.5MB in the beginning and 165.7MB in the end (delta: 46.1MB). Free memory was 77.8MB in the beginning and 72.1MB in the end (delta: 5.8MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2021-11-23 02:59:17,811 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 119.5MB. Free memory is still 96.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:59:17,812 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1092.17ms. Allocated memory is still 119.5MB. Free memory was 77.6MB in the beginning and 64.6MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 02:59:17,812 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.25ms. Allocated memory is still 119.5MB. Free memory was 64.6MB in the beginning and 61.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 02:59:17,812 INFO L158 Benchmark]: Boogie Preprocessor took 75.49ms. Allocated memory is still 119.5MB. Free memory was 61.5MB in the beginning and 59.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 02:59:17,813 INFO L158 Benchmark]: RCFGBuilder took 697.11ms. Allocated memory is still 119.5MB. Free memory was 59.4MB in the beginning and 89.3MB in the end (delta: -29.9MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2021-11-23 02:59:17,813 INFO L158 Benchmark]: TraceAbstraction took 228621.91ms. Allocated memory was 119.5MB in the beginning and 165.7MB in the end (delta: 46.1MB). Free memory was 88.6MB in the beginning and 72.1MB in the end (delta: 16.6MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. [2021-11-23 02:59:17,814 INFO L158 Benchmark]: Witness Printer took 3.69ms. Allocated memory is still 165.7MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:59:17,816 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 119.5MB. Free memory is still 96.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1092.17ms. Allocated memory is still 119.5MB. Free memory was 77.6MB in the beginning and 64.6MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.25ms. Allocated memory is still 119.5MB. Free memory was 64.6MB in the beginning and 61.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.49ms. Allocated memory is still 119.5MB. Free memory was 61.5MB in the beginning and 59.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 697.11ms. Allocated memory is still 119.5MB. Free memory was 59.4MB in the beginning and 89.3MB in the end (delta: -29.9MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. * TraceAbstraction took 228621.91ms. Allocated memory was 119.5MB in the beginning and 165.7MB in the end (delta: 46.1MB). Free memory was 88.6MB in the beginning and 72.1MB in the end (delta: 16.6MB). Peak memory consumption was 61.9MB. Max. memory is 16.1GB. * Witness Printer took 3.69ms. Allocated memory is still 165.7MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 226.1s, 184 PlacesBefore, 57 PlacesAfterwards, 180 TransitionsBefore, 53 TransitionsAfterwards, 2650 CoEnabledTransitionPairs, 16 FixpointIterations, 121 TrivialSequentialCompositions, 55 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 176 TotalNumberOfCompositions, 22404 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5652, positive: 4355, positive conditional: 0, positive unconditional: 4355, negative: 1297, negative conditional: 0, negative unconditional: 1297, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1840, positive: 1737, positive conditional: 0, positive unconditional: 1737, negative: 103, negative conditional: 0, negative unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1840, positive: 1595, positive conditional: 0, positive unconditional: 1595, negative: 245, negative conditional: 0, negative unconditional: 245, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 245, positive: 142, positive conditional: 0, positive unconditional: 142, negative: 98, negative conditional: 0, negative unconditional: 98, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , SemanticIndependenceRelation.Query Time [ms]: [ total: 12151, positive: 122, positive conditional: 0, positive unconditional: 122, negative: 350, negative conditional: 0, negative unconditional: 350, unknown: 11679, unknown conditional: 0, unknown unconditional: 11679] ], Cache Queries: [ total: 5652, positive: 2618, positive conditional: 0, positive unconditional: 2618, negative: 1194, negative conditional: 0, negative unconditional: 1194, unknown: 1840, unknown conditional: 0, unknown unconditional: 1840] , Statistics on independence cache: Total cache size (in pairs): 234, Positive cache size: 161, Positive conditional cache size: 0, Positive unconditional cache size: 161, Negative cache size: 73, Negative conditional cache size: 0, Negative unconditional cache size: 73 - 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: 1237]: Data race detected Data race detected The following path leads to a data race: [L1223-L1226] 0 struct s { int datum; struct s *next; } *A, *B; [L1233] 0 pthread_mutex_t A_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1234] 0 pthread_mutex_t B_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1245] 0 pthread_t t1; [L1246] CALL, EXPR 0 new(3) [L1228] 0 struct s *p = malloc(sizeof(struct s)); [L1229] 0 p->datum = x [L1230] 0 p->next = ((void *)0) [L1231] 0 return p; [L1246] RET, EXPR 0 new(3) [L1246] 0 A = new(3) [L1247] CALL, EXPR 0 new(5) [L1228] 0 struct s *p = malloc(sizeof(struct s)); [L1229] 0 p->datum = x [L1230] 0 p->next = ((void *)0) [L1231] 0 return p; [L1247] RET, EXPR 0 new(5) [L1247] 0 B = new(5) [L1248] FCALL, FORK 0 pthread_create(&t1, ((void *)0), t_fun, ((void *)0)) VAL [A={-3:0}, A_mutex={1:0}, arg={0:0}, B={-2:0}, B_mutex={2:0}, pthread_create(&t1, ((void *)0), t_fun, ((void *)0))=-1, t1={9:0}] [L1249] 0 int *data; [L1251] EXPR 0 A->datum [L1251] 0 data = &A->datum [L1237] EXPR 1 A->datum VAL [A={-3:0}, A->datum=3, A_mutex={1:0}, arg={0:0}, arg={0:0}, B={-2:0}, B_mutex={2:0}] [L1237] 1 A->datum++ VAL [A={-3:0}, A->datum=3, A_mutex={1:0}, arg={0:0}, arg={0:0}, B={-2:0}, B_mutex={2:0}] [L1253] 0 *data = 42 VAL [*data = 42=46, A={-3:0}, A->datum=3, A_mutex={1:0}, arg={0:0}, arg={0:0}, B={-2:0}, B_mutex={2:0}, data={-3:0}, t1={9:0}] [L1237] 1 A->datum++ VAL [A={-3:0}, A->datum=3, A_mutex={1:0}, arg={0:0}, arg={0:0}, B={-2:0}, B_mutex={2:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: p->next = ((void *)0) [1230] * C: B = new(5) [1247] * C: p->datum = x [1229] * C: p->datum = x [1229] * C: p->datum = x [1229] * C: p->next = ((void *)0) [1230] * C: A = new(3) [1246] * C: *data = 42 [1253] * C: p->next = ((void *)0) [1230] * C: p->datum = x [1229] * C: p->next = ((void *)0) [1230] and C: A->datum++ [1237] - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1230]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1246]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1230]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1247]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1251]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1253]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1248]: 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: 1237]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1237]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1240]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1240]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1240]: 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, 236 locations, 21 error locations. Started 1 CEGAR loops. OverallTime: 228.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 226.2s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 115 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 115 mSDsluCounter, 150 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 100 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 653 IncrementalHoareTripleChecker+Invalid, 667 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 119 mSDtfsCounter, 653 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=450occurred in iteration=3, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 287 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 could not prove your program: unable to determine feasibility of some traces [2021-11-23 02:59:17,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ed0631f-8167-4428-b12e-3fe53588bfdd/bin/utaipan-EQgc7hIp5V/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