./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_14-idxunknown_access.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5042c2ca-556b-43c4-9acd-51718c571dc0/bin/ugemcutter-b9s2R6iq4d/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5042c2ca-556b-43c4-9acd-51718c571dc0/bin/ugemcutter-b9s2R6iq4d/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5042c2ca-556b-43c4-9acd-51718c571dc0/bin/ugemcutter-b9s2R6iq4d/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5042c2ca-556b-43c4-9acd-51718c571dc0/bin/ugemcutter-b9s2R6iq4d/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_14-idxunknown_access.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5042c2ca-556b-43c4-9acd-51718c571dc0/bin/ugemcutter-b9s2R6iq4d/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5042c2ca-556b-43c4-9acd-51718c571dc0/bin/ugemcutter-b9s2R6iq4d --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ab624cd95d0fa2367e02c67b22b0f1efd275cc176f54b50b7fb2d138f7f4319c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:47:48,136 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:47:48,140 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:47:48,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:47:48,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:47:48,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:47:48,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:47:48,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:47:48,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:47:48,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:47:48,203 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:47:48,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:47:48,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:47:48,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:47:48,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:47:48,216 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:47:48,220 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:47:48,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:47:48,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:47:48,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:47:48,239 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:47:48,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:47:48,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:47:48,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:47:48,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:47:48,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:47:48,261 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:47:48,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:47:48,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:47:48,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:47:48,268 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:47:48,269 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:47:48,272 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:47:48,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:47:48,275 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:47:48,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:47:48,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:47:48,277 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:47:48,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:47:48,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:47:48,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:47:48,281 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5042c2ca-556b-43c4-9acd-51718c571dc0/bin/ugemcutter-b9s2R6iq4d/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2021-11-20 07:47:48,336 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:47:48,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:47:48,338 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:47:48,338 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:47:48,339 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:47:48,340 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:47:48,340 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:47:48,341 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:47:48,341 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:47:48,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:47:48,343 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:47:48,343 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 07:47:48,344 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:47:48,344 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:47:48,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:47:48,344 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:47:48,345 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:47:48,345 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:47:48,345 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-20 07:47:48,346 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:47:48,346 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:47:48,346 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:47:48,346 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:47:48,347 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:47:48,347 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:47:48,347 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-20 07:47:48,348 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:47:48,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:47:48,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:47:48,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:47:48,349 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:47:48,349 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:47:48,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:47:48,350 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:47:48,351 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-20 07:47:48,351 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:47:48,351 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-20 07:47:48,351 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-20 07:47:48,352 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5042c2ca-556b-43c4-9acd-51718c571dc0/bin/ugemcutter-b9s2R6iq4d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5042c2ca-556b-43c4-9acd-51718c571dc0/bin/ugemcutter-b9s2R6iq4d Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab624cd95d0fa2367e02c67b22b0f1efd275cc176f54b50b7fb2d138f7f4319c [2021-11-20 07:47:48,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:47:48,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:47:48,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:47:48,731 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:47:48,738 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:47:48,740 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5042c2ca-556b-43c4-9acd-51718c571dc0/bin/ugemcutter-b9s2R6iq4d/../../sv-benchmarks/c/goblint-regression/05-lval_ls_14-idxunknown_access.i [2021-11-20 07:47:48,810 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5042c2ca-556b-43c4-9acd-51718c571dc0/bin/ugemcutter-b9s2R6iq4d/data/f462d9df9/e885823b16704a62a80eecfe4c94f7b1/FLAGbf4484bb8 [2021-11-20 07:47:49,501 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:47:49,501 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5042c2ca-556b-43c4-9acd-51718c571dc0/sv-benchmarks/c/goblint-regression/05-lval_ls_14-idxunknown_access.i [2021-11-20 07:47:49,516 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5042c2ca-556b-43c4-9acd-51718c571dc0/bin/ugemcutter-b9s2R6iq4d/data/f462d9df9/e885823b16704a62a80eecfe4c94f7b1/FLAGbf4484bb8 [2021-11-20 07:47:49,816 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5042c2ca-556b-43c4-9acd-51718c571dc0/bin/ugemcutter-b9s2R6iq4d/data/f462d9df9/e885823b16704a62a80eecfe4c94f7b1 [2021-11-20 07:47:49,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:47:49,825 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:47:49,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:47:49,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:47:49,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:47:49,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:47:49" (1/1) ... [2021-11-20 07:47:49,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f954fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:47:49, skipping insertion in model container [2021-11-20 07:47:49,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:47:49" (1/1) ... [2021-11-20 07:47:49,850 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:47:49,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:47:50,347 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:47:50,360 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:47:50,410 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:47:50,471 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:47:50,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:47:50 WrapperNode [2021-11-20 07:47:50,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:47:50,474 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:47:50,475 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:47:50,475 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:47:50,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:47:50" (1/1) ... [2021-11-20 07:47:50,528 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:47:50" (1/1) ... [2021-11-20 07:47:50,574 INFO L137 Inliner]: procedures = 163, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 45 [2021-11-20 07:47:50,574 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:47:50,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:47:50,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:47:50,575 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:47:50,587 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:47:50" (1/1) ... [2021-11-20 07:47:50,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:47:50" (1/1) ... [2021-11-20 07:47:50,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:47:50" (1/1) ... [2021-11-20 07:47:50,598 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:47:50" (1/1) ... [2021-11-20 07:47:50,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:47:50" (1/1) ... [2021-11-20 07:47:50,612 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:47:50" (1/1) ... [2021-11-20 07:47:50,614 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:47:50" (1/1) ... [2021-11-20 07:47:50,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:47:50,628 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:47:50,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:47:50,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:47:50,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:47:50" (1/1) ... [2021-11-20 07:47:50,645 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:47:50,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5042c2ca-556b-43c4-9acd-51718c571dc0/bin/ugemcutter-b9s2R6iq4d/z3 [2021-11-20 07:47:50,693 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5042c2ca-556b-43c4-9acd-51718c571dc0/bin/ugemcutter-b9s2R6iq4d/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:47:50,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5042c2ca-556b-43c4-9acd-51718c571dc0/bin/ugemcutter-b9s2R6iq4d/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:47:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:47:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:47:50,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:47:50,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:47:50,741 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-20 07:47:50,741 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-20 07:47:50,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:47:50,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:47:50,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:47:50,744 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-20 07:47:50,873 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:47:50,875 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:47:51,223 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:47:51,232 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:47:51,243 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 07:47:51,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:47:51 BoogieIcfgContainer [2021-11-20 07:47:51,245 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:47:51,248 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:47:51,248 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:47:51,258 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:47:51,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:47:49" (1/3) ... [2021-11-20 07:47:51,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1767bc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:47:51, skipping insertion in model container [2021-11-20 07:47:51,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:47:50" (2/3) ... [2021-11-20 07:47:51,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1767bc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:47:51, skipping insertion in model container [2021-11-20 07:47:51,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:47:51" (3/3) ... [2021-11-20 07:47:51,262 INFO L111 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_14-idxunknown_access.i [2021-11-20 07:47:51,268 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-20 07:47:51,269 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:47:51,269 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-20 07:47:51,269 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-20 07:47:51,333 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,333 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,334 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,334 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,334 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,334 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,335 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,335 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,335 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,336 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,337 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,337 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,337 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,337 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,338 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,338 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,338 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,338 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,339 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,339 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,339 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,340 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,340 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,340 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,341 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,341 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,341 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,342 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,342 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,342 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,343 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,343 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,343 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,343 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,344 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,344 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,344 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,344 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,345 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,345 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,360 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,361 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,363 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,364 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,364 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,364 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,364 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:47:51,370 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-20 07:47:51,441 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-20 07:47:51,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5042c2ca-556b-43c4-9acd-51718c571dc0/bin/ugemcutter-b9s2R6iq4d/z3 [2021-11-20 07:47:51,451 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5042c2ca-556b-43c4-9acd-51718c571dc0/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-20 07:47:51,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5042c2ca-556b-43c4-9acd-51718c571dc0/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-20 07:47:51,506 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2021-11-20 07:47:51,516 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=PARTIAL_ORDER_FA, 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 [2021-11-20 07:47:51,516 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-20 07:47:51,848 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2021-11-20 07:47:51,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:47:51,863 INFO L85 PathProgramCache]: Analyzing trace with hash -9326254, now seen corresponding path program 1 times [2021-11-20 07:47:51,873 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:47:51,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879154320] [2021-11-20 07:47:51,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:47:51,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:47:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:52,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:47:52,172 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:47:52,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879154320] [2021-11-20 07:47:52,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879154320] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:47:52,175 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:47:52,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-20 07:47:52,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566823086] [2021-11-20 07:47:52,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:47:52,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-20 07:47:52,186 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:47:52,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-20 07:47:52,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-20 07:47:52,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:47:52,223 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:47:52,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 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) [2021-11-20 07:47:52,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:47:52,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:47:52,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 07:47:52,246 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2021-11-20 07:47:52,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:47:52,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1382176156, now seen corresponding path program 1 times [2021-11-20 07:47:52,259 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:47:52,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827098961] [2021-11-20 07:47:52,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:47:52,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:47:52,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:52,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:47:52,572 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:47:52,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827098961] [2021-11-20 07:47:52,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827098961] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:47:52,577 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:47:52,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:47:52,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964572620] [2021-11-20 07:47:52,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:47:52,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:47:52,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:47:52,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:47:52,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:47:52,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:47:52,583 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:47:52,584 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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) [2021-11-20 07:47:52,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:47:52,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:47:52,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:47:52,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:47:52,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 07:47:52,773 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2021-11-20 07:47:52,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:47:52,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1210924951, now seen corresponding path program 1 times [2021-11-20 07:47:52,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:47:52,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998317464] [2021-11-20 07:47:52,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:47:52,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:47:52,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:47:53,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:47:53,078 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:47:53,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998317464] [2021-11-20 07:47:53,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998317464] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:47:53,080 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:47:53,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:47:53,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310920173] [2021-11-20 07:47:53,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:47:53,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:47:53,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:47:53,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:47:53,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:47:53,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:47:53,085 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:47:53,085 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 6 states have internal predecessors, (40), 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) [2021-11-20 07:47:53,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:47:53,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:47:53,086 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:47:53,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:47:53,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:47:53,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:47:53,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 07:47:53,227 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2021-11-20 07:47:53,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:47:53,228 INFO L85 PathProgramCache]: Analyzing trace with hash 329115708, now seen corresponding path program 1 times [2021-11-20 07:47:53,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:47:53,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925335410] [2021-11-20 07:47:53,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:47:53,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:47:53,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:47:53,292 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:47:53,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:47:53,365 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:47:53,365 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 07:47:53,367 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 2 remaining) [2021-11-20 07:47:53,369 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 2 remaining) [2021-11-20 07:47:53,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 07:47:53,381 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-20 07:47:53,382 INFO L308 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was UNSAFE,UNKNOWN (1/2) [2021-11-20 07:47:53,387 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-20 07:47:53,388 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 07:47:53,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:47:53 BasicIcfg [2021-11-20 07:47:53,449 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 07:47:53,450 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:47:53,450 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:47:53,470 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:47:53,470 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:47:51" (3/4) ... [2021-11-20 07:47:53,479 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 07:47:53,479 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:47:53,480 INFO L158 Benchmark]: Toolchain (without parser) took 3654.92ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 49.2MB in the beginning and 84.6MB in the end (delta: -35.4MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. [2021-11-20 07:47:53,481 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 88.1MB. Free memory was 66.7MB in the beginning and 66.6MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:47:53,482 INFO L158 Benchmark]: CACSL2BoogieTranslator took 645.66ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 49.0MB in the beginning and 78.9MB in the end (delta: -29.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 07:47:53,483 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.01ms. Allocated memory is still 111.1MB. Free memory was 78.9MB in the beginning and 76.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:47:53,483 INFO L158 Benchmark]: Boogie Preprocessor took 50.75ms. Allocated memory is still 111.1MB. Free memory was 76.7MB in the beginning and 75.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:47:53,484 INFO L158 Benchmark]: RCFGBuilder took 618.03ms. Allocated memory is still 111.1MB. Free memory was 75.1MB in the beginning and 62.1MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-20 07:47:53,485 INFO L158 Benchmark]: TraceAbstraction took 2201.80ms. Allocated memory is still 111.1MB. Free memory was 61.8MB in the beginning and 38.2MB in the end (delta: 23.5MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2021-11-20 07:47:53,486 INFO L158 Benchmark]: Witness Printer took 29.02ms. Allocated memory is still 111.1MB. Free memory was 38.2MB in the beginning and 84.6MB in the end (delta: -46.3MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2021-11-20 07:47:53,490 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 88.1MB. Free memory was 66.7MB in the beginning and 66.6MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 645.66ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 49.0MB in the beginning and 78.9MB in the end (delta: -29.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.01ms. Allocated memory is still 111.1MB. Free memory was 78.9MB in the beginning and 76.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.75ms. Allocated memory is still 111.1MB. Free memory was 76.7MB in the beginning and 75.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 618.03ms. Allocated memory is still 111.1MB. Free memory was 75.1MB in the beginning and 62.1MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2201.80ms. Allocated memory is still 111.1MB. Free memory was 61.8MB in the beginning and 38.2MB in the end (delta: 23.5MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. * Witness Printer took 29.02ms. Allocated memory is still 111.1MB. Free memory was 38.2MB in the beginning and 84.6MB in the end (delta: -46.3MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 275, positive: 246, positive conditional: 58, positive unconditional: 188, negative: 29, negative conditional: 14, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 266, positive: 246, positive conditional: 58, positive unconditional: 188, negative: 20, negative conditional: 5, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 266, positive: 246, positive conditional: 58, positive unconditional: 188, negative: 20, negative conditional: 5, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 268, positive: 246, positive conditional: 31, positive unconditional: 215, negative: 22, negative conditional: 2, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 268, positive: 246, positive conditional: 27, positive unconditional: 219, negative: 22, negative conditional: 2, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 268, positive: 246, positive conditional: 27, positive unconditional: 219, negative: 22, negative conditional: 2, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 206, positive: 189, positive conditional: 1, positive unconditional: 188, negative: 17, negative conditional: 1, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 206, positive: 165, positive conditional: 0, positive unconditional: 165, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 24, positive conditional: 1, positive unconditional: 23, negative: 17, negative conditional: 1, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 293, positive: 126, positive conditional: 3, positive unconditional: 123, negative: 167, negative conditional: 6, negative unconditional: 161, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 268, positive: 57, positive conditional: 26, positive unconditional: 31, negative: 5, negative conditional: 1, negative unconditional: 4, unknown: 206, unknown conditional: 2, unknown unconditional: 204] , Statistics on independence cache: Total cache size (in pairs): 206, Positive cache size: 189, Positive conditional cache size: 1, Positive unconditional cache size: 188, Negative cache size: 17, Negative conditional cache size: 1, Negative unconditional cache size: 16, Eliminated conditions: 4, Maximal queried relation: 1, Independence queries for same thread: 9 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 45, Number of trivial persistent sets: 42, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 203, positive: 188, positive conditional: 0, positive unconditional: 188, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 275, positive: 246, positive conditional: 58, positive unconditional: 188, negative: 29, negative conditional: 14, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 266, positive: 246, positive conditional: 58, positive unconditional: 188, negative: 20, negative conditional: 5, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 266, positive: 246, positive conditional: 58, positive unconditional: 188, negative: 20, negative conditional: 5, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 268, positive: 246, positive conditional: 31, positive unconditional: 215, negative: 22, negative conditional: 2, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 268, positive: 246, positive conditional: 27, positive unconditional: 219, negative: 22, negative conditional: 2, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 268, positive: 246, positive conditional: 27, positive unconditional: 219, negative: 22, negative conditional: 2, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 206, positive: 189, positive conditional: 1, positive unconditional: 188, negative: 17, negative conditional: 1, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 206, positive: 165, positive conditional: 0, positive unconditional: 165, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 24, positive conditional: 1, positive unconditional: 23, negative: 17, negative conditional: 1, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 293, positive: 126, positive conditional: 3, positive unconditional: 123, negative: 167, negative conditional: 6, negative unconditional: 161, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 268, positive: 57, positive conditional: 26, positive unconditional: 31, negative: 5, negative conditional: 1, negative unconditional: 4, unknown: 206, unknown conditional: 2, unknown unconditional: 204] , Statistics on independence cache: Total cache size (in pairs): 206, Positive cache size: 189, Positive conditional cache size: 1, Positive unconditional cache size: 188, Negative cache size: 17, Negative conditional cache size: 1, Negative unconditional cache size: 16, Eliminated conditions: 4, Maximal queried relation: 1, Independence queries for same thread: 9 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 686]: Data race detected Data race detected The following path leads to a data race: [L684] 0 int data[10]; VAL [data={1:0}] [L690] 0 int i = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=4, data={1:0}, i=4] [L691] CALL 0 assume_abort_if_not(0 <= i && i < 10) [L11] COND FALSE 0 !(!cond) VAL [\old(cond)=1, cond=1, data={1:0}] [L691] RET 0 assume_abort_if_not(0 <= i && i < 10) [L692] 0 pthread_t id; VAL [data={1:0}, i=4, id={2:0}] [L693] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, i=4, id={2:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L686] EXPR 1 data[4] VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=0] [L686] 1 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=0, data[4]++=0data[4]++=41] [L694] EXPR 0 data[i] VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=0, data[4]++=0, data[4]++=41, data[i]=1, i=4, id={2:0}] [L694] 0 data[i]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=0, data[4]++=0, data[4]++=41, data[i]=1, i=4, id={2:0}] [L686] 1 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=0, data[4]++=0data[4]++=41] 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: data[4]++ [686] * C: data[4]++ [686] * C: data[i]++ [694] * C: data[4]++ [686] * C: data[4]++ [686] and C: data[4]++ [686] - UnprovableResult [Line: 686]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 101 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.6s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 149 NumberOfCodeBlocks, 149 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 102 ConstructedInterpolants, 0 QuantifiedInterpolants, 340 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 [2021-11-20 07:47:53,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5042c2ca-556b-43c4-9acd-51718c571dc0/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-11-20 07:47:53,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5042c2ca-556b-43c4-9acd-51718c571dc0/bin/ugemcutter-b9s2R6iq4d/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